Half Moon Bay Weather Forecast
- 17
- 42
Smoke. Windy
- 18
- 27
Becoming windy. Partly cloudy
- 14
- 21
Cloudy
- 11
- 25
Sunny
- 15
- 25
Partly cloudy
- 15
- 23
Shower or two
- 15
- 23
Shower or two
Today 9 Jan Melbourne
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Patchy smoke haze in the late afternoon and evening. Damaging winds possible. Winds west to northwesterly 40 to 60 km/h shifting southerly 25 to 35 km/h in the evening then becoming light in the late evening.
Port Phillip Local Waters
- Wind
- Southwesterly 20 to 30 knots, reaching up to 35 knots in the north in the late afternoon. Winds turning south to southeasterly below 10 knots in the evening. Squalls above 50 knots possible.
- Seas
- Around 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A trough extending from central parts to the far northwest will continue to track eastwards over the state, reaching the northeast by early Saturday morning. A cold front will move across the south behind the trough from late Friday and into Saturday afternoon, exiting in the east. A high pressure ridge will begin to develop from the west on Sunday and persist across the state until Monday when a broad area of low pressure develops in the far north, lingering into Tuesday.
Half Moon Bay Temperature Statistics View More
January Temperature
Moorabbin Airport (7km)
Lowest 2 January, 2026
11 °CAverage January
20.5 °CHighest 7 January, 2026
42.4 °C
Climate (2021–Present)
Moorabbin Airport (7km)
Average Low 2021–2026
10.7 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
20.3 °C