Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025
Forecast
Merrilla (34.8015°S, 149.3369°E, 625m AMSL) Merrilla,NSW set as my default location ›
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7 day forecast
Merrilla 7 day forecast
Today: Sunny. The chance of fog in the SE early this morning. Winds NW 20 to 30 km/h turning W 25 to 35 km/h in the middle of the day then tending NW/SW 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to high 30s.
Forecast for Merrilla (34.8015°S, 149.3369°E, 625m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary 
Minimum 16° 19° 17° 17° 15° 13° 12° Maximum 35° 35° 31° 34° 26° 27° 27° Chance of rain 5% 90% 40% 60% 10% 10% 20% Likely amount < 1mm 10-20mm 1-5mm 5-10mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High High Moderate 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 15
(km/h)28
(km/h)21
(km/h)27
(km/h)19
(km/h)30
(km/h)16
(km/h)28
(km/h)24
(km/h)29
(km/h)14
(km/h)30
(km/h)17
(km/h)34
(km/h)Wind direction WNW W WNW W NW W NNW NW WNW WNW NW WNW NW WNW Relative humidity 53% 19% 39% 27% 80% 44% 55% 41% 61% 32% 61% 28% 58% 23% Dew point 15°C 7°C 15°C 12°C 20°C 16°C 19°C 17°C 13°C 7°C 14°C 6°C 12°C 3°C First light 5:13am 5:13am 5:14am 5:14am 5:15am 5:15am 5:16am Sunrise 5:43am 5:43am 5:43am 5:44am 5:44am 5:45am 5:45am Sunset 8:12pm 8:13pm 8:13pm 8:14pm 8:14pm 8:15pm 8:15pm Last light 8:42pm 8:42pm 8:43pm 8:43pm 8:44pm 8:44pm 8:45pm -
Sunrise and sunset times
Sunrise / Sunset for Merrilla (34.8015°S, 149.3369°E, 625m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter 5:13am EDT 5:43am EDT 8:12pm EDT 8:42pm EDT 3:47am EDT 6:52pm EDT 
Waning crescent
New moon Dec 20 First quarter Dec 28 Merrilla sun & moon times
ThursdayFirst light5:13am
EDTSunrise5:43am
EDTSunset8:12pm
EDTLast light8:42pm
EDTMoon phase
Next OccurrenceMoon riseThu
3:47am
EDTMoon setThu
6:52pm
EDTNew moonNew moon Sat
Dec 20
First quarterFirst quarter Sun
Dec 28
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Warnings
Weather Warnings
Wed 2:47pm UTC Severe weather advice NSWWed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025Wed 2:47pm UTC Severe weather advice NSWAustralian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:47 PM EDT on Wednesday 17 December 2025
Valid for Wednesday 17 December 2025 to Saturday 20 December 2025
Warning for the following areas:
South Coast
Warning for the following areas:
Mid North Coast, Hunter, Northern Tablelands, Metropolitan, Illawarra, Central Tablelands, Southern Tablelands, Snowy Mountains, North 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.
Over southern inland areas maximum temperatures in the high thirties to low forties, and overnight minimum temperatures in the high teens to mid twenties. About the southern coast and ranges maximum temperatures generally in the mid to high thirties with overnight minimum temperatures generally in the mid to high teens.
Severe to Extreme heatwave conditions developing over the south of the state are expected to extend north over the next few days before beginning to ease from the south over the weekend.
Locations likely to be impacted include Albury, Camden, Campbelltown, Goulburn, Hornsby, Liverpool, Nowra, Richmond, Wollongong and Wagga Wagga.
The next heatwave warning will be issued by 3:00pm EDT on Thursday 18 December 2025For extended forecasts and greater detail visit weather zone° -
Temperature for next 7 days
0 Thursday Thursday 35 1 Friday Friday 35 2 Saturday Saturday 31 3 Sunday Sunday 34 4 Monday Monday 26 5 Tuesday Tuesday 27 6 Wednesday Wednesday 27 7 Wednesday Wednesday 27 -
Rain for next 7 days
0 Thursday Thursday 0 1 Friday Friday 20 2 Saturday Saturday 5 3 Sunday Sunday 10 4 Monday Monday 0 5 Tuesday Tuesday 0 6 Wednesday Wednesday 0 7 Wednesday Wednesday 0
