Grindal Island Weather Forecast

    • 13
    • 22

    Shower

    • 13
    • 21

    Shower

    • 10
    • 18

    Shower

    • 9
    • 18

    Partly cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 20

    Partly cloudy

    • 11
    • 17

    Partly cloudy

Today 30 Sep Lower Eyre Peninsula

Partly cloudy. High chance of showers, most likely at night. The chance of a thunderstorm in the afternoon and evening. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly in the early afternoon then becoming light in the late afternoon. Daytime maximum temperatures in the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
A series of slow moving troughs will move across the state today and Thursday as a couple of cold fronts move across waters to the south. A high pressure system will become established south of the Bight during Friday and persist there on Saturday. A trough will extend from WA over the far west of SA over the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grindal Island Temperature Statistics View More

September Temperature

Port Lincoln Airport (37km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14.7 °C

  • Highest 24 September, 2026

    30.8 °C

Climate (2021–2026)

Port Lincoln Airport (37km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.9 °C

  • Average High 2021–2026

    21.3 °C
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