Garden Island Weather Forecast

    • 16
    • 29

    Shower or two. Possible storm

    • 16
    • 23

    Possible morning storm. Showers

    • 14
    • 21

    Shower or two

    • 12
    • 24

    Mostly sunny

    • 10
    • 24

    Sunny

    • 12
    • 25

    Partly cloudy

    • 15
    • 26

    Possible shower

Today 25 Oct Hunter

Cloudy. High chance of showers. A thunderstorm likely. Thunderstorms possibly severe with damaging to locally destructive winds, large hail and heavy rain which may lead to flash flooding. Winds north to northwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northerly 20 to 30 knots.
Seas
2 to 3 metres.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm, with possible squalls south of Port Stephens.
Weather Situation
A strong cold front and trough will cross the southern coastal waters late on Sunday and move north, bringing fresh to strong winds over southern and central coastal waters on Monday. A ridge over inland NSW will extend across coastal waters from Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Garden Island Temperature Statistics View More

October Temperature

Williamtown RAAF Base (21 km)

  • Lowest 9 October, 2026

    7.8 °C

  • Average October

    18.7 °C

  • Highest 12 October, 2026

    36.4 °C

Climate (2021–2026)

Williamtown RAAF Base (21 km)

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  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    24 °C
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