Port Germein Weather Forecast

    • 15
    • 25

    Partly cloudy

    • 13
    • 26

    Mostly sunny

    • 15
    • 33

    Partly cloudy

    • 19
    • 30

    Possible shower

    • 17
    • 25

    Showers

    • 12
    • 20

    Showers

    • 11
    • 20

    Shower or two

Today 20 Oct Mid North

Partly cloudy. Medium chance of showers in the east, slight chance elsewhere. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds northwest to southwesterly 15 to 20 km/h tending south to southwesterly in the late afternoon then becoming light in the late evening. Daytime maximum temperatures in the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough of low pressure over southeastern South Australia lingers in the east, before weakening from Thursday. A slow moving high pressure system in the Tasman Sea re-establishes a ridge across southern parts from Wednesday. Another series of troughs move into western parts on Thursday and broadly across SA on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Germein Temperature Statistics View More

October Temperature

Whyalla Airport (44 km)

  • Lowest 15 October, 2026

    6.2 °C

  • Average October

    17.9 °C

  • Highest 8 October, 2026

    32.4 °C

Climate (2021–2026)

Whyalla Airport (44 km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    17.6 °C

  • Average High 2021–2026

    23.8 °C
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