Halfmoon Bay Weather Forecast

    • 7
    • 15

    Shower or two. Very windy

    • 10
    • 16

    Showers easing. Very windy

    • 11
    • 16

    Shower or two

    • 11
    • 16

    Cloudy

    • 11
    • 18

    Possible shower

    • 12
    • 19

    Partly cloudy

    • 13
    • 19

    Partly cloudy

Today 7 May King Island

Cloudy. Very high chance of showers. Winds westerly 35 to 50 km/h tending southwesterly in the late evening.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Westerly 25 to 35 knots turning southwesterly 30 to 35 knots in the late evening.
Seas
2.5 to 4 metres.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Cloudy. Near 100% chance of showers.
Weather Situation
A cold southwesterly airstream will strengthen overnight as a trough crosses Tasmania, with the stream to slowly weaken through Friday and Saturday as a high centre builds over the Bight. The high is expected to slowly approach Tasmania during Sunday and Monday, with the high centre to lie just to the south of the state by Monday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Halfmoon Bay Temperature Statistics View More

May Temperature

King Island Airport (8km)

  • Lowest 4 May, 2026

    10.8 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    26.4 °C

Climate (2021–Present)

King Island Airport (8km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    17.6 °C
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