Gunnamatta Beach Weather Forecast
- 18
- 28
Partly cloudy
- 13
- 21
Shower
- 11
- 18
Rain
- 9
- 17
Shower
- 8
- 17
Shower
- 9
- 18
Shower
- 10
- 18
Shower
Today 23 Oct Mornington Peninsula
Sunny day. Slight chance of a shower late this afternoon and evening. Winds northerly 25 to 40 km/h shifting south to southwesterly 15 to 20 km/h in the evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots offshore during the morning and early afternoon. Winds shifting southwesterly 10 to 15 knots in the late afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 1.5 to 2 metres, increasing to 2.5 to 3 metres in the far west.
- Weather
- Mostly sunny. 50% chance of showers late this afternoon and evening. The chance of a thunderstorm inshore during this afternoon and early evening.
- Weather Situation
- A high pressure system centred over the Tasman Sea will drift slowly eastwards as a low pressure trough approaches from the west later today. This trough will linger over the State on Saturday and Sunday before a cold front crosses later Sunday into early Monday, clearing everything to the east.
Gunnamatta Beach Temperature Statistics View More
October Temperature
Cerberus (28 km)
Lowest 15 October, 2026
3.3 °CAverage October
15.3 °CHighest 20 October, 2026
28.6 °C
Climate (2021–2026)
Cerberus (28 km)
Average Low 2021–2026
10.3 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C