Grassmere Weather Forecast

    • 11
    • 23

    Shower or two

    • 12
    • 18

    Partly cloudy

    • 9
    • 19

    Partly cloudy

    • 8
    • 20

    Mostly sunny

    • 8
    • 26

    Sunny

    • 13
    • 21

    Shower or two

    • 11
    • 20

    Shower or two. Becoming windy

Today 8 Dec Warrnambool

Cloudy. Medium chance of showers, most likely in the evening. Winds northwesterly 15 to 25 km/h increasing to 25 to 35 km/h in the morning then tending westerly in the early afternoon.

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Grassmere Temperature Statistics View More

December Temperature

Warrnambool Airport (6km)

  • Lowest 3 December, 2025

    5.7 °C

  • Average December

    14.4 °C

  • Highest 4 December, 2025

    30.9 °C

Climate (2020–Present)

Warrnambool Airport (6km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    19 °C
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