Gannons Bay Weather Forecast
- 21
- 25
Showers. Possible storm
- 21
- 25
Shower or two
- 21
- 25
Shower or two
- 21
- 25
Shower or two
- 21
- 24
Possible shower
- 20
- 25
Mostly sunny
- 19
- 25
Shower or two
Today 20 Mar Sydney
Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon. Light winds.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- South to southeasterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A weak ridge produces mostly northeast to southeast winds during Friday and the weekend maintaining unsettled weather. Winds may turn north about the south coast early next week. A cold front may bring a southerly change to the south coast late next week.
Gannons Bay Temperature Statistics View More
March Temperature
Sydney Airport (14km)
Lowest 15 March, 2026
16.5 °CAverage March
23.1 °CHighest 17 March, 2026
30.5 °C
Climate (2021–Present)
Sydney Airport (14km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.7 °CAverage High 2021–2026
23.4 °C