Spencer Gulf Weather Forecast

    • 20
    • 23

    Shower

    • 18
    • 21

    Partly cloudy

    • 19
    • 26

    Shower

    • 22
    • 23

    Windy

    • 18
    • 21

    Partly cloudy

    • 18
    • 19

    Shower

    • 16
    • 20

    Partly cloudy

Today 30 Oct Flinders

Cloudy. Very high chance of showers, becoming less likely at night. The chance of a thunderstorm. Winds northeasterly 25 to 35 km/h turning north to northwesterly 25 to 40 km/h in the afternoon. Daytime maximum temperatures in the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 15 to 25 knots turning northwesterly in the evening.
Seas
1 to 2 metres, decreasing below 1.5 metres by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm from the late morning.
Weather Situation
A ridge of high pressure lies over eastern parts of SA, while a low pressure system in WA extends a trough into the west. The low and trough will move across the state on Friday, clearing to the east by Saturday morning as a new high pressure system briefly settles over SA. Another low is expected to enter from the west on Sunday, moving over central and eastern parts on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

October Temperature

Whyalla Airport (38 km)

  • Lowest 15 October, 2026

    6.2 °C

  • Average October

    18 °C

  • Highest 22 October, 2026

    35.3 °C

Climate (2021–2026)

Whyalla Airport (38 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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