Murninnie Beach Weather Forecast

    • 15
    • 25

    Windy

    • 15
    • 29

    Windy

    • 16
    • 31

    Sunny

    • 17
    • 27

    Windy

    • 15
    • 27

    Windy

    • 16
    • 32

    Sunny

    • 18
    • 38

    Sunny

Today 31 Dec Eastern Eyre Peninsula

Clear. Winds south to southeasterly 25 to 35 km/h.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 20 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo.
Seas
1.5 to 2 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A ridge of high pressure sits to the south of the Bight, extending a ridge over most of the state while a trough lingers in the far north. These features will remain relatively unchanged until Saturday, when a new high pressure system moves through the Bight and over the southeast by Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

December Temperature

Whyalla Airport (32km)

  • Lowest 2 December, 2025

    10.2 °C

  • Average December

    22.4 °C

  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Whyalla Airport (32km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    23.7 °C
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