Frenchman Rock Weather Forecast
- 14
- 22
Cloudy
- 12
- 22
Cloudy
- 13
- 20
Cloudy
- 12
- 21
Cloudy
- 13
- 20
Cloudy
- 11
- 22
Mostly sunny
- 13
- 29
Sunny
Today 21 Dec Mount Lofty Ranges
Partly cloudy. Slight chance of a shower on the eastern slopes, near zero chance elsewhere. Winds southwesterly 25 to 40 km/h turning southerly 25 to 35 km/h in the evening then decreasing to 15 to 25 km/h in the late evening.
South Central Coastal Waters
- Wind
- Southerly 20 to 25 knots turning southwesterly 10 to 15 knots in the evening.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening, then tending west to southwesterly 1 to 2 metres later in the evening.
- Weather
- Cloudy.
- Weather Situation
- A broad trough of low pressure lies over the far northeast as a ridge of high pressure ridge builds over the west and south of the State during Sunday evening. The high pressure ridge extends across the entire State and Coastal Waters by early Monday and persists until Thursday.
Frenchman Rock Temperature Statistics View More
December Temperature
Encounter Bay (9km)
Lowest 3 December, 2025
6.9 °CAverage December
18.6 °CHighest 18 December, 2025
40.7 °C
Climate (2020–Present)
Encounter Bay (9km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
20.6 °C