Osterley Weather Forecast

    • 17
    • 26

    Partly cloudy

    • 16
    • 38

    Becoming windy. Mostly sunny

    • 16
    • 24

    Partly cloudy

    • 12
    • 27

    Sunny

    • 13
    • 27

    Partly cloudy

    • 15
    • 33

    Shower or two

    • 15
    • 27

    Shower or two

Today 21 Oct Hunter

Partly cloudy. The chance of a thunderstorm in the afternoon and evening. Winds southeast to southwesterly 15 to 20 km/h tending east to southeasterly in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 26 to 34.

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Osterley Temperature Statistics View More

October Temperature

Williamtown RAAF Base (15km)

  • Lowest 2 October, 2025

    6.9 °C

  • Average October

    20.4 °C

  • Highest 6 October, 2025

    35.6 °C

Climate (2020–Present)

Williamtown RAAF Base (15km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    23.7 °C
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