Trefoil Island Weather Forecast

    • 10
    • 14

    Partly cloudy

    • 11
    • 14

    Cloudy

    • 10
    • 14

    Cloudy

    • 10
    • 14

    Partly cloudy

    • 10
    • 14

    Shower

    • 10
    • 13

    Shower

    • 9
    • 14

    Shower

Today 16 Jul North West Coast

Partly cloudy. Slight chance of a shower in the far west, near zero chance elsewhere. Winds west to southwesterly 15 to 25 km/h becoming light in the late evening.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 10 to 15 knots, reaching up to 20 knots offshore in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres, increasing to 4 metres south of King Island.
Weather
Partly cloudy.
Weather Situation
A west to northwesterly airstream will prevail over the state for the coming days as a near stationary high pressure centre over Victoria extends a ridge over Tasmania. Winds will tend more north to northwesterly on Sunday and into Monday as the high slowly moves to the east.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

July Temperature

Marrawah (30km)

  • Lowest 8 July, 2026

    4.5 °C

  • Average July

    9.3 °C

  • Highest 1 July, 2026

    15.2 °C

Climate (2021–2026)

Marrawah (30km)

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  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    17 °C
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