Jacks Beach Weather Forecast
- 9
- 15
Clear
- 4
- 16
Mostly sunny
- 5
- 18
Sunny
- 8
- 25
Partly cloudy
- 15
- 24
Partly cloudy
- 11
- 18
Possible shower
- 10
- 20
Partly cloudy
Today 21 Sep Mornington Peninsula
Clear. Winds southwesterly 15 to 25 km/h turning southerly 15 to 20 km/h in the evening.
Western Port Local Waters
- Wind
- Southwesterly 10 to 15 knots turning southerly below 10 knots in the evening.
- Seas
- Below 1 metre, increasing to around 1 metre west of Sandy Point.
- Weather
- Clear.
- Weather Situation
- A high pressure system in the Bight moves into the Tasman Sea during Tuesday, directing a warm east to northeasterly airstream over Victoria during the second half of the week.
Jacks Beach Temperature Statistics View More
September Temperature
Cerberus (3km)
Lowest 18 September, 2026
2.4 °CAverage September
13.3 °CHighest 13 September, 2026
25.6 °C
Climate (2021–2026)
Cerberus (3km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C