Murninnie Beach Weather Forecast
- 9
- 20
Partly cloudy
- 9
- 20
Cloudy
- 11
- 20
Cloudy
- 10
- 19
Shower
- 10
- 17
Shower
- 9
- 17
Shower
- 9
- 18
Partly cloudy
Today 21 May Eastern Eyre Peninsula
The chance of morning fog. Mostly sunny afternoon. Light winds becoming north to northeasterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures in the low 20s.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the early afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Murninnie Beach Temperature Statistics View More
May Temperature
Whyalla Airport (32km)
Lowest 11 May, 2026
5.5 °CAverage May
15.6 °CHighest 1 May, 2026
30.7 °C
Climate (2021–Present)
Whyalla Airport (32km)
Average Low 2021–2026
12 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.8 °C