Williams Island Weather Forecast

    • 16
    • 16

    Shower

    • 15
    • 15

    Shower

    • 14
    • 16

    Windy

    • 15
    • 19

    Partly cloudy

    • 18
    • 20

    Shower

    • 16
    • 16

    Shower

    • 16
    • 17

    Shower

Today 25 Sep Lower Eyre Peninsula

Cloudy. Medium chance of showers, most likely in the early morning. The chance of a thunderstorm. Light winds becoming south to southeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Overnight temperatures falling to around 13 with daytime temperatures reaching the low to mid 20s.

Central Coastal Waters

Wind
Variable below 10 knots becoming south to southeasterly 10 to 15 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Weather
Cloudy. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Williams Island Temperature Statistics View More

September Temperature

Port Lincoln Airport (48km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    14.1 °C

  • Highest 19 September, 2026

    28.4 °C

Climate (2021–2026)

Port Lincoln Airport (48km)

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  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
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