Murninnie Beach Weather Forecast
- 6
- 21
Partly cloudy
- 12
- 16
Rain
- 13
- 17
Shower
- 7
- 17
Partly cloudy
- 7
- 21
Sunny
- 8
- 20
Partly cloudy
- 9
- 19
Sunny
Today 23 Aug Eastern Eyre Peninsula
Partly cloudy. Winds northerly 15 to 25 km/h. Daytime maximum temperatures around 20.
Spencer Gulf Coastal Waters
- Wind
- Northeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system centred over the eastern states continue to drift slowly east as a low pressure system and associated trough move into the far western SA later today and then moves across the state on Monday and out over the eastern states by later Tuesday. Another high moves into the west later Tuesday and over SA on Wednesday.
Murninnie Beach Temperature Statistics View More
August Temperature
Whyalla Airport (32km)
Lowest 1 August, 2026
-0.4 °CAverage August
12.4 °CHighest 7 August, 2026
21.4 °C
Climate (2021–2026)
Whyalla Airport (32km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C