Murninnie Beach Weather Forecast

    • 11
    • 21

    Cloudy

    • 7
    • 18

    Partly cloudy

    • 6
    • 23

    Cloudy

    • 15
    • 25

    Shower

    • 12
    • 20

    Shower

    • 7
    • 18

    Shower

    • 7
    • 17

    Shower

Today 22 Aug Eastern Eyre Peninsula

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds north to northwesterly 15 to 25 km/h shifting south to southwesterly 15 to 20 km/h in the afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching between 19 and 22.

Spencer Gulf Coastal Waters

Wind
North to northwesterly 10 to 15 knots, reaching up to 20 knots near the Yorke Peninsula coast early in the morning. Winds becoming variable about 10 knots in the middle of the day then becoming south to southwesterly 10 to 15 knots in the early 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 around midday.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

August Temperature

Whyalla Airport (32km)

  • Lowest 2 August, 2025

    1.9 °C

  • Average August

    11.7 °C

  • Highest 11 August, 2025

    23.7 °C

Climate (2020–Present)

Whyalla Airport (32km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    23.8 °C
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