Swan Island Weather Forecast

    • 13
    • 18

    Rain

    • 12
    • 19

    Windy

    • 13
    • 18

    Shower

    • 13
    • 18

    Windy

    • 11
    • 19

    Windy

    • 10
    • 19

    Partly cloudy

    • 11
    • 19

    Sunny

Today 21 Dec North East

Cloudy. The chance of fog in the early morning. Very high chance of rain in the afternoon and evening. The chance of a thunderstorm near the coast in the evening. Winds northwest to southwesterly 15 to 20 km/h becoming light before dawn then becoming west to southwesterly 15 to 20 km/h in the late evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 19 and 22.

Banks Strait and Franklin

Wind
Westerly 15 to 20 knots turning south to southwesterly 10 to 15 knots during the afternoon and evening then tending west to southwesterly 15 to 20 knots in the late evening.
Seas
1 to 2 metres, decreasing below 1 metre during the morning.
1st Swell
Northwest to southwesterly below 1 metre.
Weather
Cloudy. 90% chance of rain. The chance of a thunderstorm in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

December Temperature

Swan Island (1km)

  • Lowest 2 December, 2025

    8.3 °C

  • Average December

    15 °C

  • Highest 13 December, 2025

    24.2 °C

Climate (2020–Present)

Swan Island (1km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    14.3 °C

  • Average High 2020–2025

    17.5 °C
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