Swan Island Weather Forecast

    • 9
    • 24

    Sunny

    • 10
    • 26

    Sunny

    • 13
    • 28

    Mostly sunny

    • 15
    • 23

    Possible shower

    • 13
    • 23

    Partly cloudy

    • 12
    • 29

    Sunny day. Late shower or two

    • 17
    • 25

    Shower or two

Today 14 Sep Hunter

Sunny. The chance of frost about the Upper Hunter in the early morning. The chance of fog about the Lower Hunter in the early morning. Light winds becoming northwesterly 15 to 20 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching the low to mid 20s.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas
Around 1 metre.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

September Temperature

Williamtown RAAF Base (18km)

  • Lowest 1 September, 2025

    5.5 °C

  • Average September

    14.9 °C

  • Highest 8 September, 2025

    28.5 °C

Climate (2020–Present)

Williamtown RAAF Base (18km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    23.6 °C
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