Frankston Weather Forecast
- 9
- 15
Partly cloudy
- 3
- 17
Sunny
- 4
- 20
Sunny
- 8
- 26
Mostly sunny
- 16
- 26
Partly cloudy
- 13
- 21
Cloudy
- 11
- 22
Partly cloudy
Today 21 Sep Melbourne
Cloudy. Winds southerly 20 to 30 km/h becoming light in the evening.
Port Phillip Local Waters
- Wind
- Southwesterly 15 to 20 knots turning southerly 10 to 15 knots in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A cool southwesterly airstream will cross Victoria today as a high pressure system moves over waters south of the Bight, reaching western Bass Strait by tonight. The high will be located over the Tasman Sea by Tuesday night, with a warm northeasterly airstream continuing on Wednesday and Thursday as the high continues moving east.
Frankston Temperature Statistics View More
September Temperature
Moorabbin Airport (18km)
Lowest 18 September, 2026
4.3 °CAverage September
13.8 °CHighest 19 September, 2026
26 °C
Climate (2021–2026)
Moorabbin Airport (18km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.5 °C