Halfmoon Bay Weather Forecast

    • 6
    • 12

    Showers. Very windy

    • 8
    • 13

    Showers

    • 6
    • 14

    Shower or two

    • 6
    • 14

    Mostly sunny

    • 8
    • 14

    Shower or two

    • 7
    • 13

    Showers

    • 7
    • 13

    Shower or two

Today 29 Jul King Island

Cloudy. Very high chance of showers, becoming less likely in the late morning. Possible small hail during the morning and afternoon. Winds southwesterly 35 to 50 km/h. Daytime maximum temperatures around 12.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Southwesterly 20 to 30 knots, reaching up to 35 knots during the morning. Winds decreasing to 15 to 20 knots in the late evening.
Seas
2 to 3 metres.
1st Swell
Westerly 4 to 7 metres, tending southwesterly 4 to 7 metres during the morning, then decreasing to 3 to 5 metres during the afternoon.
Weather
Cloudy. 95% chance of showers, with possible small hail.
Weather Situation
A cold southwesterly airstream moves over Tasmania today following a cold front that has cleared to the east. The airstream will then tend more westerly during Thursday and Friday as a large high pressure centre establishes near the South Australian coast. The high centre will then slowly cross the southeastern mainland later Friday and during Saturday as a low centre and associated cold front approach Tasmania from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Halfmoon Bay Temperature Statistics View More

July Temperature

King Island Airport (8km)

  • Lowest 9 July, 2026

    1.3 °C

  • Average July

    11.2 °C

  • Highest 19 July, 2026

    16 °C

Climate (2021–2026)

King Island Airport (8km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    17.6 °C
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