Boondelbah Island Weather Forecast

    • 14
    • 23

    Mostly sunny

    • 12
    • 20

    Becoming windy. Partly cloudy

    • 8
    • 18

    Sunny

    • 9
    • 17

    Showers

    • 13
    • 18

    Showers

    • 11
    • 18

    Showers

    • 10
    • 18

    Showers easing

Today 2 Jul Hunter

Mostly sunny. Slight chance of a shower about the Upper Hunter, near zero chance elsewhere. Winds northwesterly 20 to 30 km/h. Daytime maximum temperatures between 17 and 22.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northwesterly 15 to 20 knots, reaching up to 30 knots offshore in the late morning.
Seas
1.5 to 2.5 metres, decreasing below 1.5 metres by early evening.
1st Swell
North to northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
Northwesterly winds are strengthening ahead of a cold front that will cross the state tomorrow. Winds will turn west to southwesterly on Friday following the passage of that cold front. A high pressure system over the Bight will then drift towards Tasmania while a low develops near New Zealand, bringing fresh to strong southerly winds and large, powerful waves to the coastal areas over the weekend and into early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boondelbah Island Temperature Statistics View More

July Temperature

Williamtown RAAF Base (37km)

  • Lowest 1 July, 2026

    8.7 °C

  • Average July

    12.9 °C

  • Highest

    –

Climate (2021–2026)

Williamtown RAAF Base (37km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24 °C
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