Mouth Flat Beach Weather Forecast
- 10
- 20
Shower
- 16
- 22
Shower
- 12
- 18
Shower
- 11
- 16
Shower
- 12
- 18
Cloudy
- 12
- 18
Cloudy
- 12
- 21
Partly cloudy
Today 8 Apr Kangaroo Island
Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds northeasterly 15 to 20 km/h increasing to 25 km/h before turning north to northwesterly 15 to 20 km/h in the afternoon. Daytime maximum temperatures in the low 20s.
South Central Coastal Waters
- Wind
- North to northeasterly 10 to 15 knots tending north to northwesterly 15 to 20 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Cloudy. 60% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
- Weather Situation
- A high-pressure system south of the state will move east today allowing a strong cold front to move over South Australia later Thursday. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Mouth Flat Beach Temperature Statistics View More
April Temperature
Cape Willoughby (17km)
Lowest 5 April, 2026
14.2 °CAverage April
17.3 °CHighest 6 April, 2026
25.4 °C
Climate (2021–Present)
Cape Willoughby (17km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.4 °C