Cooks River - M5 East Freeway Tunnel Weather Forecast
- 19
- 23
Shower or two. Storm
- 17
- 26
Shower or two. Possible storm
- 19
- 31
Shower or two. Becoming windy
- 18
- 22
Cloudy
- 18
- 23
Cloudy
- 18
- 26
Partly cloudy
- 17
- 29
Mostly sunny
Today 12 Dec Sydney
Partly cloudy. High chance of showers, becoming less likely in the evening. A thunderstorm likely in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding in the afternoon and early evening. Winds easterly 15 to 25 km/h becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Easterly 10 to 15 knots turning northeasterly in the late afternoon.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. 50% chance of showers. A thunderstorm likely.
- Weather Situation
- Winds will tend east to northeasterly from today as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. The next southerly change is overnight Sunday.
Cooks River - M5 East Freeway Tunnel Temperature Statistics View More
December Temperature
Sydney Airport (1km)
Lowest 2 December, 2025
13.4 °CAverage December
22.8 °CHighest 6 December, 2025
39.2 °C
Climate (2020–Present)
Sydney Airport (1km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C