Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Heatwave Warning
Issued at 02:51 PM EDT on Tuesday 23 December 2025
Valid for Tuesday 23 December 2025 to Tuesday 23 December 2025
Warning for the following areas:
Northern Rivers, Mid North Coast, Hunter and Northern Tablelands
Cancellation for the following areas:
Metropolitan and North West Slopes and Plains
Safety Advice:
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.
Maximum temperatures are in the high twenties to mid thirties and overnight minimum temperatures in the mid teens to low twenties.
Severe heatwave conditions have peaked and are continuing to ease from the south and west as milder southeast to southwesterly winds extend across the State. Locations likely to be impacted include Dorrigo, Grafton, Gloucester, Lismore, Maitland, Murwillumbah, Taree, Tweed Heads and Yamba.
The next heatwave warning will be issued by 3:00pm EDT on Wednesday 24 December 2025
Forecast
Diehard (29.6754°S, 152.0882°E, 550m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Medium chance of showers in the N in the morning and afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm, possibly severe with damaging winds and large hail in the N. Winds NE/SE 15 to 20 km/h tending NW/NE in the morning then tending NW/SW 15 to 25 km/h in the middle of the day. Overnight temperatures falling to between 13 and 21 with daytime temperatures reaching 27 to 32.
Forecast for Diehard (29.6754°S, 152.0882°E, 550m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary 
Minimum 14° 12° 12° 10° 9° 8° 7° Maximum 28° 29° 24° 20° 23° 23° 26° Chance of rain 20% 5% 50% 70% 30% 20% 5% Likely amount < 1mm < 1mm 1-5mm 1-5mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating Moderate Moderate Moderate Moderate - - - 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 14
(km/h)20
(km/h)14
(km/h)19
(km/h)22
(km/h)14
(km/h)24
(km/h)14
(km/h)18
(km/h)15
(km/h)22
(km/h)19
(km/h)15
(km/h)16
(km/h)Wind direction ENE W WNW W E NNE E E ESE SE SE ESE SE SE Relative humidity 78% 39% 63% 26% 79% 52% 84% 60% 75% 39% 69% 38% 64% 28% Dew point 17°C 12°C 14°C 7°C 14°C 13°C 12°C 11°C 12°C 8°C 10°C 7°C 9°C 5°C -
Sunrise and sunset times
Sunrise / Sunset for Diehard (29.6754°S, 152.0882°E, 550m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon 5:24am EDT 5:51am EDT 7:54pm EDT 8:21pm EDT 9:16am EDT 10:59pm EDT 
Waxing crescent
First quarter Dec 28 Full moon Jan 03 Last quarter Jan 11 New moon Jan 19 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days
