Mount Martha Weather Forecast
- 8
- 14
Possible shower
- 8
- 14
Showers easing
- 8
- 15
Shower or two
- 9
- 15
Shower or two
- 5
- 15
Partly cloudy
- 5
- 15
Partly cloudy
- 6
- 16
Partly cloudy
Today 11 Aug Mornington Peninsula
Cloudy. Medium chance of showers. Winds northerly 25 to 40 km/h.
Port Phillip Local Waters
- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots in the south.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres in the south.
- Weather
- Cloudy.
- Weather Situation
- A ridge of high pressure extends over eastern Victoria from a high pressure system centred over Queensland. The ridge will move eastwards later Tuesday and overnight as a cold front approaches from the west. The cold front will move across Victoria during Wednesday then a high pressure system is expected to build over the Bight later in the week and extend a ridge across Victoria. The main high pressure centre will move over Tasmania over the weekend and the ridge will move to the south of Victoria.
Mount Martha Temperature Statistics View More
August Temperature
Cerberus (18km)
Lowest 2 August, 2026
2.3 °CAverage August
10.4 °CHighest 2 August, 2026
17.4 °C
Climate (2021–2026)
Cerberus (18km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C