Newcastle Weather Forecast

    • 7
    • 26

    Sunny

    • 11
    • 29

    Sunny

    • 12
    • 31

    Sunny

    • 14
    • 30

    Mostly sunny

    • 14
    • 20

    Shower or two

    • 14
    • 23

    Partly cloudy

    • 12
    • 25

    Mostly sunny

Today 18 Sep Newcastle

The chance of fog in the early morning. Sunny day. Winds northwesterly 15 to 20 km/h tending north to northeasterly in the late afternoon then tending west to northwesterly in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the early afternoon then tending north to northwesterly in the late evening. Winds reaching up to 20 knots offshore north of Norah Head in the late evening.
Seas
Around 1 metre.
1st Swell
Southerly 2 to 3 metres.
Weather
Sunny.
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Newcastle Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (2km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17 °C

  • Highest 5 September, 2026

    30.2 °C

Climate (2021–2026)

Newcastle (Nobbys) (2km)

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  • Average Low 2021–2026

    15.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    22.4 °C
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