Trefoil Island Weather Forecast

    • 9
    • 13

    Partly cloudy

    • 8
    • 13

    Cloudy

    • 9
    • 16

    Cloudy

    • 12
    • 16

    Shower

    • 12
    • 16

    Shower

    • 13
    • 16

    Shower

    • 11
    • 14

    Shower

Today 20 Nov North West Coast

Partly cloudy. Slight chance of a shower in the morning and afternoon, with possible small hail. Winds westerly 15 to 20 km/h turning southwesterly 20 to 30 km/h early in the morning. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching between 13 and 17.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 15 to 20 knots, reaching up to 25 knots east of King Island early in the morning. Winds turning southwesterly before dawn.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 2 to 3 metres, increasing to 4 metres south of King Island.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

November Temperature

Marrawah (30km)

  • Lowest 6 November, 2025

    4 °C

  • Average November

    11.6 °C

  • Highest 1 November, 2025

    19.2 °C

Climate (2020–Present)

Marrawah (30km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    12.6 °C

  • Average High 2020–2025

    17 °C
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