Swan Island Weather Forecast

    • 18
    • 26

    Possible shower

    • 17
    • 26

    Shower or two

    • 18
    • 26

    Showers

    • 17
    • 27

    Shower or two

    • 17
    • 27

    Possible shower

    • 18
    • 27

    Possible shower

    • 17
    • 28

    Shower or two

Today 20 Mar Hunter

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon and early evening. Winds southeasterly 15 to 20 km/h becoming light in the late evening. Daytime maximum temperatures 24 to 29.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
South to southeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon.
Weather Situation
A weak ridge produces mostly northeast to southeast winds during Friday and the weekend maintaining unsettled weather. Winds may turn north about the south coast early next week. A cold front may bring a southerly change to the south coast late next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

March Temperature

Williamtown RAAF Base (18km)

  • Lowest 15 March, 2026

    11.5 °C

  • Average March

    23.3 °C

  • Highest 17 March, 2026

    34.5 °C

Climate (2021–Present)

Williamtown RAAF Base (18km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    23.9 °C
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