See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:51
Sunrise
17:42
Sunset
Moon
Waxing Crescent
08:56
Moonrise
22:58
Moonset
Daily Forecast
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Newcastle.
Resources
UV Index
Humidity
Weather in Newcastle today, September 16, 2026
Plan for bright conditions in Newcastle on September 16, 2026, though cloud cover thickens for a spell near 05:00. The day as a whole still leans toward sunshine. Expect a brighter morning, with limited cloud around 42% by 05:00. Conditions start on a settled note.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 16°C. Expect humidity between 53% and 64%, most humid near 05:00. Winds stay light, near 12.5 km/h by 22:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 32% around 14:00. Cloud also stays substantial, close to 35% near 23:00. Visibility stays near 16.1 km. Sunrise is at 05:51 and sunset at 17:42, giving 11 hours 50 minutes of sunlight today.
The practical takeaway for Newcastle on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 16°C.
Frequently asked questions about weather in Newcastle
How warm does it get in Newcastle?
The warmest month in Newcastle is January, with average high temperatures of 24°C. The average temperature during this period is around 23°C.
How cold does it get in Newcastle?
The coldest month in Newcastle is July, with average low temperatures of 13°C. The average temperature during this period is around 15°C.
What is the wettest time of year in Newcastle?
The wettest month in Newcastle is March, with an average of 164mm of precipitation.
What is the driest time of year in Newcastle?
The driest month in Newcastle is September, with an average of 56mm of precipitation.
Explore more weather forecasts
- New Lambton, State of New South Wales
- Sydney, State of New South Wales
- Maitland, State of New South Wales
- Melbourne, State of Victoria
- Cessnock, State of New South Wales
- Brisbane, State of Queensland
- Mona Vale, State of New South Wales
- Perth, State of Western Australia
- Hornsby, State of New South Wales
- Adelaide, State of South Australia
- Turramurra, State of New South Wales
- Gold Coast, State of Queensland
- Forster, State of New South Wales
- Canberra, Australian Capital Territory
- Pymble, State of New South Wales
- Logan City, State of Queensland