Trefoil Island Weather Forecast

    • 12
    • 15

    Windy

    • 10
    • 16

    Partly cloudy

    • 11
    • 16

    Shower

    • 11
    • 17

    Cloudy

    • 14
    • 17

    Windy

    • 14
    • 17

    Windy

    • 14
    • 18

    Shower

Today 9 May North West Coast

Partly cloudy. Slight chance of a shower in the far west, near zero chance elsewhere. Winds southwesterly 25 to 35 km/h. Daytime maximum temperatures between 14 and 19.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southwesterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres east of King Island.
1st Swell
Southwesterly 2 to 4 metres, decreasing to 2 to 3 metres around midday.
Weather
Cloudy.
Weather Situation
A cold southwesterly airstream will weaken today as a high centre builds over the Bight. The high is expected to slowly approach Tasmania during Sunday and Monday, bringing mostly settled weather to the state. The high centre will then lie close to the south of the state by Monday evening before moving over the Tasman Sea on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Trefoil Island Temperature Statistics View More

May Temperature

Marrawah (30km)

  • Lowest 8 May, 2026

    5.2 °C

  • Average May

    13.9 °C

  • Highest 1 May, 2026

    23.8 °C

Climate (2021–Present)

Marrawah (30km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    9.8 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    17.1 °C
Get WillyWeather+ to remove ads