Grass Tree Hollow Campground Weather Forecast

    • 11
    • 17

    Showers. Windy

    • 10
    • 17

    Showers easing. Windy

    • 10
    • 18

    Showers

    • 9
    • 17

    Showers

    • 9
    • 19

    Shower or two

    • 9
    • 19

    Shower or two

    • 10
    • 19

    Shower or two

Today 31 May South West

Cloudy. Very high chance of showers. The chance of a thunderstorm during the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding. Damaging winds likely, particularly near the coast and possibly destructive with thunderstorms in the early morning and in the evening. Winds northerly 25 to 35 km/h tending northwesterly 35 to 55 km/h in the early morning then tending westerly 35 to 50 km/h in the late evening. Daytime maximum temperatures between 16 and 19.

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  • Temperature Forecast Bureau of Meteorology

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Grass Tree Hollow Campground Temperature Statistics View More

May Temperature

Manjimup (36km)

  • Lowest 24 May, 2026

    5.3 °C
  • Average May

    12.6 °C
  • Highest 12 May, 2026

    24.5 °C

Climate (2021–Present)

Manjimup (36km)

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  • Average Low 2021–2026

    10.3 °C
  • Average 2021–2026

    15 °C
  • Average High 2021–2026

    21.7 °C
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