Murninnie Beach Weather Forecast

    • 17
    • 35

    Sunny

    • 20
    • 38

    Windy

    • 18
    • 27

    Windy

    • 16
    • 26

    Windy

    • 15
    • 29

    Windy

    • 16
    • 30

    Partly cloudy

    • 17
    • 31

    Windy

Today 28 Dec Eastern Eyre Peninsula

Sunny. Winds north to northeasterly 15 to 25 km/h turning east to southeasterly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures in the high 30s.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots turning southeasterly in the late afternoon. Winds reaching up to 20 knots north of Cowell to Wallaroo in the evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly around 1 metre south of Cowell to Wallaroo.
Weather
Sunny.
Weather Situation
A high pressure system centred near Tasmania maintains a broad ridge over most of South Australia, with a trough crossing the Bight. The high centre moves eastward into the Tasman Sea today and Monday while the trough builds over central SA and slowly moves eastward. The trough moves into the northeast of SA on Wednesday while a high passes south of the Bight.
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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

    21.9 °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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