Hawkesbury River - Gunyah Beach Weather Forecast
- 16
- 32
Sunny
- 17
- 25
Shower or two
- 18
- 23
Showers. Possible storm
- 16
- 23
Showers. Possible afternoon storm
- 15
- 30
Shower or two developing
- 17
- 33
Mostly sunny
- 17
- 27
Shower or two
Today 9 Dec Central Coast
Mostly sunny. The chance of smoke haze in the morning. Slight chance of a shower in the evening. Light winds becoming east to southeasterly 15 to 25 km/h in the middle of the day then turning southerly 20 to 30 km/h in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Variable below 10 knots becoming east to southeasterly 15 to 20 knots in the early afternoon then turning southerly 20 to 30 knots in the evening.
- Seas
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A ridge is strengthening over central parts of the coast before a trough will brush central and southern parts of the coast later today and on Wednesday, bringing a southerly change to Sydney waters. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to Sydney Waters.
Hawkesbury River - Gunyah Beach Temperature Statistics View More
December Temperature
Terrey Hills (13km)
Lowest 3 December, 2025
11.3 °CAverage December
21.5 °CHighest 6 December, 2025
39.9 °C
Climate (2020–Present)
Terrey Hills (13km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.8 °C