William Bay Weather Forecast

    • 11
    • 23

    Cloud clearing

    • 9
    • 27

    Sunny

    • 14
    • 31

    Sunny

    • 15
    • 31

    Sunny

    • 15
    • 31

    Partly cloudy

Today 18 Jan South Coastal

Cloud clearing. Light winds becoming southerly 15 to 25 km/h in the middle of the day then tending southeasterly 20 to 30 km/h in the late afternoon. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching 23 to 28.

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William Bay Temperature Statistics View More

January Temperature

North Walpole (46km)

  • Lowest 8 January, 2026

    11.3 °C

  • Average January

    18.9 °C

  • Highest 16 January, 2026

    34.9 °C

Climate (2021–Present)

North Walpole (46km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    15.4 °C

  • Average High 2021–2026

    20.6 °C
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