Williamtown Weather Forecast

    • 11
    • 22

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 12
    • 25

    Sunny

    • 13
    • 23

    Shower or two

    • 15
    • 23

    Possible shower

    • 11
    • 23

    Partly cloudy

Today 4 May Hunter

Partly cloudy. Patchy morning fog. Slight chance of a shower about the Lower Hunter, near zero chance elsewhere. Light winds becoming east to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 19 and 23.

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Williamtown Temperature Statistics View More

May Temperature

Williamtown RAAF Base (2km)

  • Lowest 1 May, 2025

    12.5 °C

  • Average May

    15.6 °C

  • Highest 1 May, 2025

    20.5 °C

Climate (2020–Present)

Williamtown RAAF Base (2km)

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  • Average Low 2020–2025

    13.2 °C

  • Average 2020–2025

    17.9 °C

  • Average High 2020–2025

    23.6 °C
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