Murninnie Beach Weather Forecast

    • 12
    • 24

    Partly cloudy

    • 12
    • 29

    Partly cloudy

    • 18
    • 35

    Windy

    • 15
    • 27

    Shower

    • 14
    • 24

    Storm

    • 8
    • 18

    Partly cloudy

    • 8
    • 20

    Cloudy

Today 27 Sep Eastern Eyre Peninsula

Partly cloudy. Winds east to southeasterly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 20 knots turning easterly in the late evening.
Seas
Around 1 metre, increasing to 1.5 metres south of Port Neill to Port Victoria.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough over central Australia will weaken and contract into WA as a ridge of high pressure extends across southeastern SA. The high pressure system is expected to drift into the Tasman Sea by Tuesday as the trough in WA begins to re-extend over western SA on Tuesday, pushing into the state on Wednesday and reaching the far northeast on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

September Temperature

Whyalla Airport (32km)

  • Lowest 11 September, 2026

    3.4 °C
  • Average September

    15.7 °C
  • Highest 20 September, 2026

    32.9 °C

Climate (2021–2026)

Whyalla Airport (32km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.6 °C
  • Average High 2021–2026

    23.8 °C
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