Sunnyside Beach Weather Forecast
- 11
- 25
Sunny
- 13
- 23
Cloudy
- 13
- 27
Cloudy
- 15
- 23
Shower or two
- 14
- 25
Partly cloudy
- 14
- 27
Partly cloudy
- 13
- 27
Mostly sunny
Today 12 Jan Mornington Peninsula
Sunny. Winds southeasterly 15 to 25 km/h turning southerly 25 to 35 km/h in the middle of the day.
Port Phillip Local Waters
- Wind
- Southeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southerly 15 to 20 knots in the early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- Weather
- Sunny.
Sunnyside Beach Temperature Statistics View More
January Temperature
Cerberus (20km)
Lowest 2 January, 2026
8.5 °CAverage January
18.9 °CHighest 9 January, 2026
42.3 °C
Climate (2021–Present)
Cerberus (20km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.5 °C