Murninnie Beach Weather Forecast
- 9
- 19
Shower
- 9
- 17
Shower
- 9
- 18
Shower
- 10
- 18
Cloudy
- 9
- 21
Partly cloudy
- 10
- 20
Shower
- 9
- 20
Shower
Today 25 May Eastern Eyre Peninsula
Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the south during the morning and afternoon. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 16 and 19.
Spencer Gulf Coastal Waters
- Wind
- North to northwesterly 15 to 20 knots, reaching up to 30 knots south of Cowell to Wallaroo early in the morning. Winds tending northwest to southwesterly in the morning.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy. 90% chance of showers. The chance of a thunderstorm south of Cowell to Wallaroo during the morning and afternoon.
- Weather Situation
- A cold front with an embedded low pressure system lies west of Kangaroo Island. The low is expected to move north and over the Eyre Peninsula today, weakening as it moves into NSW on Tuesday. A weak ridge of high pressure begins to move across SA later in the week.
Murninnie Beach Temperature Statistics View More
May Temperature
Whyalla Airport (32km)
Lowest 11 May, 2026
5.5 °CAverage May
15.3 °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