Merricks Beach Weather Forecast
- 13
- 26
Shower or two. Windy
- 9
- 14
Shower or two
- 3
- 16
Mostly sunny
- 5
- 18
Mostly sunny
- 8
- 23
Partly cloudy
- 14
- 23
Partly cloudy
- 12
- 17
Possible shower
Today 20 Sep Mornington Peninsula
Sunny morning. Medium chance of showers, most likely at night. Winds northerly 25 to 40 km/h increasing to 40 to 60 km/h in the morning then turning westerly 25 to 35 km/h in the late afternoon.
Western Port Local Waters
- Wind
- North to northwesterly 10 to 15 knots becoming northerly 15 to 25 knots in the early morning then turning westerly 15 to 20 knots in the evening. Winds reaching up to 30 knots in the late morning and early afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the morning.
- Weather
- Mostly sunny. 60% chance of showers.
Merricks Beach Temperature Statistics View More
September Temperature
Cerberus (8km)
Lowest 18 September, 2026
2.4 °CAverage September
12.9 °CHighest 13 September, 2026
25.6 °C
Climate (2021–2026)
Cerberus (8km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.6 °CAverage High 2021–2026
19.7 °C