Mount Martha South Beach Weather Forecast
- 7
- 13
Showers
- 5
- 14
Sunny
- 5
- 14
Shower or two. Becoming windy
- 6
- 14
Shower or two
- 3
- 15
Mostly sunny
- 7
- 16
Shower or two
- 7
- 16
Shower or two
Today 17 Jul Mornington Peninsula
Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. Winds north to northwesterly 25 to 35 km/h tending west to northwesterly 20 to 30 km/h during the morning.
Port Phillip Local Waters
- Wind
- North to northwesterly 15 to 20 knots turning westerly 10 to 15 knots in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre around midday.
- Weather
- Partly cloudy. 80% chance of showers.
- Weather Situation
- Westerly flow persists over Victoria, with a cold front crossing the State during the morning. A high pressure system will then extend a ridge over Victoria and Bass Strait on Friday, before a stronger cold front crosses the State on Saturday. Westerly flow returns on Sunday with a high centred over northern Victoria.
Mount Martha South Beach Temperature Statistics View More
July Temperature
Cerberus (18km)
Lowest 5 July, 2025
1.6 °CAverage July
10.2 °CHighest 5 July, 2025
17.4 °C
Climate (2020–Present)
Cerberus (18km)
Average Low 2020–2025
10.2 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
19.5 °C