Myponga Beach Weather Forecast

    • 7
    • 18

    Sunny

    • 9
    • 21

    Partly cloudy

    • 14
    • 24

    Partly cloudy

    • 14
    • 22

    Cloudy

    • 13
    • 22

    Cloudy

    • 15
    • 24

    Partly cloudy

    • 18
    • 26

    Shower

Today 22 Sep Mount Lofty Ranges

Sunny. Winds northeasterly 15 to 20 km/h becoming light in the middle of the day then becoming east to southeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures between 16 and 19.

Investigator Strait Coastal Waters

Wind
East to northeasterly 10 to 15 knots tending east to southeasterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly around 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Weather
Sunny.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Myponga Beach Temperature Statistics View More

September Temperature

Parawa West (Second Valley Forest) (23km)

  • Lowest 17 September, 2026

    4.3 °C

  • Average September

    11.3 °C

  • Highest 19 September, 2026

    20.5 °C

Climate (2021–2026)

Parawa West (Second Valley Forest) (23km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    17.7 °C
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