Half Moon Bay Weather Forecast
- 18
- 26
Partly cloudy
- 15
- 29
Partly cloudy
- 18
- 32
Partly cloudy
- 17
- 29
Possible shower
- 15
- 21
Cloudy
- 12
- 26
Mostly sunny
- 13
- 31
Possible morning shower
Today 28 Jan Melbourne
Partly cloudy. The chance of smoke haze in the western suburbs. Winds southerly 20 to 30 km/h.
Port Phillip Local Waters
- Wind
- Southerly 15 to 20 knots.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A low pressure trough over central waters will shift east as a ridge of high pressure will move into the west and persist to the south of Victoria on Thursday and Friday as a trough lingers to the north. The trough in the north will extend over the south on Saturday then move eastwards across the state as a cold front approaches from the southwest. A high pressure system will become established over waters south of the Bight on Sunday.
Half Moon Bay Temperature Statistics View More
January Temperature
Moorabbin Airport (21km)
Lowest 23 January, 2026
8.4 °CAverage January
20.4 °CHighest 9 January, 2026
44 °C
Climate (2021–Present)
Moorabbin Airport (21km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.3 °C