Whyalla Marina Weather Forecast

    • 17
    • 27

    Showers. Possible storm

    • 15
    • 24

    Sunny

    • 14
    • 28

    Showers

    • 15
    • 25

    Mostly sunny

    • 13
    • 23

    Cloud clearing

    • 13
    • 25

    Partly cloudy

    • 11
    • 23

    Partly cloudy

Today 30 Oct Whyalla

Partly cloudy. Very high chance of showers. The chance of a thunderstorm from late this morning. Winds northeasterly 15 to 20 km/h tending northerly 20 to 30 km/h in the morning then tending northwesterly 15 to 20 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
Northeasterly 15 to 25 knots turning northwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres around midday, then decreasing below 1.5 metres by early evening.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Neill to Port Victoria.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm from late this 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

Whyalla Marina Temperature Statistics View More

October Temperature

Whyalla Airport (6 km)

  • Lowest 15 October, 2026

    6.2 °C

  • Average October

    18 °C

  • Highest 22 October, 2026

    35.3 °C

Climate (2021–2026)

Whyalla Airport (6 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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