Mordialloc Beach Weather Forecast
- 16
- 25
Shower or two
- 12
- 16
Rain
- 8
- 17
Partly cloudy
- 6
- 19
Mostly sunny
- 10
- 24
Partly cloudy
- 15
- 23
Shower or two
- 14
- 24
Showers increasing
Today 25 Sep Melbourne
Cloudy. High chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening. Winds north to northwesterly 20 to 30 km/h becoming light in the morning then becoming southeast to southwesterly 15 to 20 km/h in the late afternoon.
Port Phillip Local Waters
- Wind
- Variable about 10 knots becoming southerly 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre.
- Weather
- Cloudy. 70% chance of showers. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea is directing a warm northerly airstream over Victoria as a low pressure trough approaches from the west. The trough is forecast to cross Victoria during today as a band of mid-level cloud crosses the Bight. The cloud band is expected to cross Bass Strait on Saturday as a strong high pressure system crosses the Southern Ocean. During Sunday the high is forecast to approach Tasmania with a ridge extending across Bass Strait. The high is then expected to move over the Tasman Sea on Monday with airflow tending east to northeasterly over coastal waters.
Mordialloc Beach Temperature Statistics View More
September Temperature
Moorabbin Airport (3km)
Lowest 22 September, 2026
2.7 °CAverage September
13.5 °CHighest 20 September, 2026
27.8 °C
Climate (2021–2026)
Moorabbin Airport (3km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.5 °C