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.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

August Temperature

Whyalla Airport (32km)

  • Lowest 1 August, 2026

    -0.4 °C
  • Average August

    12.4 °C
  • Highest 7 August, 2026

    21.4 °C

Climate (2021–2026)

Whyalla Airport (32km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
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