Half Moon Bay Weather Forecast
- 9
- 14
Showers increasing
- 9
- 14
Shower or two
- 6
- 14
Partly cloudy
- 7
- 16
Shower or two
- 8
- 14
Possible shower
- 8
- 13
Cloudy
- 6
- 14
Partly cloudy
Today 20 Jun Geelong and Surf Coast
Cloudy. High chance of showers, most likely in the evening. Winds southerly 20 to 30 km/h becoming light in the late evening.
Port Phillip Local Waters
- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots in the south in the late morning. Winds decreasing to about 10 knots in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- A cold southerly airstream across Victoria on Saturday as a high pressure system crosses the Bight. The high will slowly cross South Australia on Sunday and Monday as the next cold front approaches from the west. The front is forecast to cross southern Victoria on Tuesday as the next high moves over waters south of the Bight.
Half Moon Bay Temperature Statistics View More
June Temperature
Avalon Airport (23km)
Lowest 15 June, 2026
1.3 °CAverage June
12.8 °CHighest 17 June, 2026
21.9 °C
Climate (2021–2026)
Avalon Airport (23km)
Average Low 2021–2026
9.8 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
20.6 °C