Port Germein Weather Forecast

    • 15
    • 27

    Cloud clearing

    • 11
    • 20

    Partly cloudy

    • 10
    • 19

    Partly cloudy

    • 6
    • 19

    Mostly sunny

    • 6
    • 20

    Sunny

    • 7
    • 25

    Sunny

    • 11
    • 29

    Sunny

Today 13 Sep Mid North

Partly cloudy. Medium chance of showers in the south, slight chance elsewhere. The chance of a thunderstorm in the south in the late morning and afternoon. Winds northwesterly 25 to 40 km/h turning west to southwesterly 25 to 35 km/h in the early afternoon then decreasing to 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 22 to 27.

Spencer Gulf Coastal Waters

Wind
West to northwesterly 15 to 20 knots tending west to southwesterly in the late morning and early afternoon.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough will move across SA today ahead of a high pressure ridge that will build in the wake. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Germein Temperature Statistics View More

September Temperature

Whyalla Airport (44km)

  • Lowest 11 September, 2026

    3.4 °C

  • Average September

    14.1 °C

  • Highest 1 September, 2026

    27.7 °C

Climate (2021–2026)

Whyalla Airport (44km)

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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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