Newcastle, New South Wales, Australia Climate Change Severity
High
Newcastle Weather Condition Changes (Historic Vs 2025)
Over the past 15 year(s), Newcastle temperature has changed by around -0.8%, and has experienced notable climate changes.
Comparison of Weather Condition (Historic Vs 2025)
HistoricDays
Year 2025Days
Change
Sunny
Cloudy
Rainy
Snowy
MistyDisclaimer: Other weather conditions not shown may affect the total day count.
Climate Change Indicators:
Over the past 15 years, Newcastle has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:
Severity Score
52/100
High
From 2010 to 2025, Newcastle experienced significant changes:
Temperature change of
-0.1 °C
Variation in annual rainfall
+87.5 %
Change in average humidity
+1.3 %
PM2.5 levels surged by
-27.1 %
Heatwave changed by
-1.7 day(s)
Coldwave changed by
-2.8 day(s)
Wind speeds changed by
+2.7 km/h
These indicators show that Newcastle is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.
Newcastle Weather Forecast 30 Days (August - September 2025)Newcastle, New South Wales, Australia
Temperature
humi.
Wind Speed
Moderate rain16°/13°76%21km/hModerate rain15°/11°79%15km/hPatchy rain nearby15°/10°82%15km/hPatchy rain nearby16°/9°77%20km/h
Heavy rain15°/12°86%29km/hPatchy rain nearby17°/12°80%15km/hSunny18°/10°73%23km/hSunny14°/8°64%26km/hSunny13°/6°62%17km/hSunny14°/7°67%17km/h
Partly Cloudy 14°/8°74%12km/hPartly Cloudy 17°/9°77%15km/hPatchy rain nearby18°/10°83%12km/hPartly Cloudy 20°/12°85%24km/h
Moderate or heavy rain shower18°/12°73%25km/hModerate or heavy rain shower18°/11°70%23km/hModerate or heavy rain shower17°/11°73%20km/h
Heavy rain at times18°/11°71%21km/h
Moderate rain at times18°/11°70%21km/hPatchy rain possible19°/11°72%20km/hModerate or heavy rain shower19°/12°71%21km/hModerate or heavy rain shower19°/12°72%21km/hModerate rain at times19°/12°71%19km/hModerate or heavy rain shower19°/12°75%22km/hModerate or heavy rain shower19°/13°70%23km/hModerate or heavy rain shower19°/13°72%23km/hModerate rain at times20°/13°67%22km/hPatchy rain possible20°/13°67%23km/hModerate or heavy rain shower20°/12°69%23km/hPatchy rain possible19°/13°71%23km/hModerate or heavy rain shower19°/12°70%24km/hHighest & Lowest Weather Forecasts
TemperatureHumidityWind Speed
Precipitation
UV
