Half Moon Bay Weather Forecast
- 1
- 16
Morning frost. Sunny
- 3
- 18
Morning frost. Sunny
- 8
- 19
Cloudy
- 7
- 16
Shower or two
- 5
- 15
Partly cloudy
- 5
- 17
Shower or two
- 10
- 18
Showers
Today 20 Aug Geelong and Surf Coast
Sunny. Areas of morning frost. Light winds.
Port Phillip Local Waters
- Wind
- North to northeasterly below 10 knots becoming east to southeasterly in the middle of the day.
- Seas
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A large high pressure system will sit near-stationary over the Tasman Sea from today until Thursday, extending a dry and progressively warmer northerly flow over Victoria. A cold front will approach from the west on Friday, before sliding south, then another front will cross Victoria on Saturday as the high finally moves further east.
Half Moon Bay Temperature Statistics View More
August Temperature
Avalon Airport (23km)
Lowest 19 August, 2025
-1 °CAverage August
8.4 °CHighest 4 August, 2025
17.9 °C
Climate (2020–Present)
Avalon Airport (23km)
Average Low 2020–2025
9.7 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C