Murninnie Beach Weather Forecast

    • 9
    • 20

    Cloudy

    • 11
    • 20

    Shower

    • 11
    • 18

    Shower

    • 9
    • 18

    Shower

    • 9
    • 18

    Shower

    • 10
    • 19

    Shower

    • 9
    • 19

    Partly cloudy

Today 22 May Eastern Eyre Peninsula

Partly cloudy. Slight chance of a shower this evening. Light winds becoming northerly 15 to 25 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 19.

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots turning northerly in the early morning. Winds reaching up to 20 knots south of Port Neill to Port Victoria in the early afternoon.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Becoming cloudy.
Weather Situation
A high pressure system over southeastern SA will remain dominant as it slowly moves east and into the Tasman Sea today. A cold front move across across South Australia over the weekend. A low pressure system develops and lingers near the southeast early next week whilst a ridge high pressure builds over the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

May Temperature

Whyalla Airport (32km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.4 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

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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