Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025
Forecast
Roslyn (34.5029°S, 149.6075°E, 960m AMSL) Roslyn,NSW set as my default location ›
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7 day forecast
Roslyn 7 day forecast
Today: Sunny morning. High chance of showers, most likely in the evening. A thunderstorm likely in the afternoon and evening. Winds W/NW 20 to 30 km/h tending NW/NE 15 to 20 km/h in the evening then becoming light in the late evening. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching the low to high 30s.
Forecast for Roslyn (34.5029°S, 149.6075°E, 960m AMSL) Fri Sat Sun Mon Tue Wed Thu Summary 
Minimum 20° 18° 18° 17° 12° 12° 10° Maximum 32° 29° 31° 25° 25° 24° 23° Chance of rain 90% 70% 80% 10% 30% 5% 60% Likely amount 5-10mm 1-5mm 5-10mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High Moderate High High - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 18
(km/h)16
(km/h)14
(km/h)21
(km/h)13
(km/h)23
(km/h)20
(km/h)21
(km/h)11
(km/h)21
(km/h)15
(km/h)23
(km/h)6
(km/h)-
(km/h)Wind direction WNW W NW W NNW NW WNW WNW NW WNW WNW WNW NW - Relative humidity 40% 28% 76% 44% 52% 36% 56% 29% 54% 27% 43% 24% 46% n/a Dew point 13°C 11°C 17°C 16°C 16°C 15°C 11°C 6°C 10°C 5°C 6°C 3°C 7°C n/a First light 5:14am 5:15am 5:15am 5:16am 5:16am 5:17am 5:17am Sunrise 5:44am 5:44am 5:45am 5:45am 5:46am 5:46am 5:47am Sunset 8:11pm 8:12pm 8:12pm 8:13pm 8:13pm 8:14pm 8:14pm Last light 8:41pm 8:41pm 8:42pm 8:42pm 8:43pm 8:43pm 8:44pm -
Sunrise and sunset times
Sunrise / Sunset for Roslyn (34.5029°S, 149.6075°E, 960m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:14am EDT 5:44am EDT 8:11pm EDT 8:41pm EDT 4:30am EDT 7:47pm EDT 
Waning crescent
New moon Dec 20 First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 Roslyn sun & moon times
FridayFirst light5:14am
EDTSunrise5:44am
EDTSunset8:11pm
EDTLast light8:41pm
EDTMoon phase
Next OccurrenceMoon riseFri
4:30am
EDTMoon setFri
7:47pm
EDTNew moonNew moon Sat
Dec 20
First quarterFirst quarter Sun
Dec 28
Full moonFull moon Sat
Jan 03
Last quarterLast quarter Sun
Jan 11
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Warnings
Weather Warnings
Thu 2:25pm UTC Severe weather advice NSWThu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025Thu 2:25pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:25 PM EDT on Thursday 18 December 2025
Valid for Thursday 18 December 2025 to Sunday 21 December 2025
Warning for the following areas:
Mid North Coast, Illawarra, South Coast and Snowy Mountains
Warning for the following areas:
Northern Rivers, Hunter, Northern Tablelands, Metropolitan, Central Tablelands, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains, South West Slopes and Riverina
Safety Advice:
Extreme heatwaves can be dangerous for everyone.
Severe heatwaves can be dangerous for many people, especially older people, babies, children, pregnant and breastfeeding women, people with medical conditions and people who are unwell.
Seek a place to keep cool, such as your home, a library, community centre or shopping centre.
Close your windows and draw blinds, curtains or awnings early in the day to keep the heat out of your home.
If available, use fans or air-conditioners to keep cool.
In inland and northern districts expect maximum temperatures in the high thirties to low forties and overnight minimum temperatures in the high teens to mid twenties. Heatwave conditions are expected to increase over the weekend before easing mid to late next week.
About the southern coast and ranges maximum temperatures in the high twenties to high thirties. Overnight minimum temperatures generally in the mid to high teens. Cooler temperatures are expected to gradually develop from the south with heatwave conditions in these areas expected to peak at the end of this week and then begin to ease later over the weekend.
Locations likely to be impacted include Armidale, Camden, Campbelltown, Grafton, Goulburn, Hornsby, Lismore, Liverpool, Orange and Richmond.
The next heatwave warning will be issued by 3:00pm EDT on Friday 19 December 2025For extended forecasts and greater detail visit weather zone° -
Temperature for next 7 days
0 Friday Friday 32 1 Saturday Saturday 29 2 Sunday Sunday 31 3 Monday Monday 25 4 Tuesday Tuesday 25 5 Wednesday Wednesday 24 6 Thursday Thursday 23 7 Thursday Thursday 23 -
Rain for next 7 days
0 Friday Friday 10 1 Saturday Saturday 5 2 Sunday Sunday 10 3 Monday Monday 0 4 Tuesday Tuesday 0 5 Wednesday Wednesday 0 6 Thursday Thursday 0 7 Thursday Thursday 0
