Murninnie Beach Weather Forecast
- 11
- 20
Shower
- 9
- 21
Shower
- 10
- 20
Partly cloudy
- 10
- 20
Partly cloudy
- 9
- 20
Partly cloudy
- 10
- 20
Cloudy
- 10
- 19
Shower
Today 18 May Eastern Eyre Peninsula
Partly cloudy. Patchy morning fog. Slight chance of a shower. Light winds becoming southwesterly 15 to 25 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching between 18 and 21.
Spencer Gulf Coastal Waters
- Wind
- Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the morning. Winds reaching up to 20 knots north of Cowell to Wallaroo in the afternoon.
- Seas
- Around 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.
Murninnie Beach Temperature Statistics View More
May Temperature
Whyalla Airport (32km)
Lowest 11 May, 2026
5.5 °CAverage May
15.9 °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