Port Germein Weather Forecast

    • 12
    • 21

    Shower or two

    • 13
    • 18

    Showers

    • 9
    • 18

    Shower or two

    • 9
    • 19

    Shower or two

    • 11
    • 19

    Shower or two

    • 11
    • 19

    Possible shower

    • 11
    • 20

    Possible shower

Today 23 May Mid North

Cloudy. Medium chance of showers, most likely late this afternoon and evening. Winds north to northeasterly 15 to 20 km/h becoming light in the early afternoon then becoming northeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures between 16 and 20.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge over the east will begin to weaken as a cold enters the west of the SA early today. This front is expected to reach eastern districts later on Sunday with an associated low pressure system developing off the southern coasts. The low is expected to move across the southeast on Monday then eastwards into NSW by Tuesday with a trough lingering across the south of SA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Germein Temperature Statistics View More

May Temperature

Whyalla Airport (44km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.3 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

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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