Gunnamatta Beach Weather Forecast
- 8
- 17
Shower
- 12
- 17
Rain
- 10
- 16
Shower
- 9
- 15
Shower
- 8
- 15
Shower
- 9
- 14
Cloudy
- 7
- 16
Cloudy
Today 4 Sep Mornington Peninsula
Partly cloudy. Very high chance of showers, most likely in the evening. Winds northwesterly 20 to 30 km/h turning northerly in the late afternoon then increasing to 25 to 40 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- West to northwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Winds turning northerly 15 to 20 knots in the late afternoon.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres in the west.
- Weather
- Partly cloudy. 90% chance of showers.
Gunnamatta Beach Temperature Statistics View More
September Temperature
Cerberus (28km)
Lowest 1 September, 2026
4.9 °CAverage September
13.3 °CHighest 2 September, 2026
16 °C
Climate (2021–2026)
Cerberus (28km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C