Newcastle Weather Forecast

    • 9
    • 27

    Sunny

    • 12
    • 29

    Mostly sunny

    • 13
    • 30

    Mostly sunny

    • 14
    • 26

    Shower or two

    • 14
    • 25

    Mostly sunny

    • 13
    • 25

    Possible shower

    • 13
    • 27

    Shower or two

Today 30 Sep Newcastle

Sunny. Light winds becoming northeasterly 15 to 25 km/h in the early afternoon then becoming light in the late evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the late evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Weather
Sunny.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
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  • Temperature Forecast Bureau of Meteorology

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Newcastle Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (2km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17.4 °C

  • Highest 21 September, 2026

    32 °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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