Newcastle Weather Forecast

    • 10
    • 19

    Morning shower or two

    • 7
    • 26

    Sunny

    • 11
    • 29

    Sunny

    • 11
    • 31

    Sunny

    • 15
    • 30

    Mostly sunny

    • 15
    • 21

    Shower or two

    • 14
    • 22

    Possible shower

Today 17 Sep Newcastle

Partly cloudy. Medium chance of showers in the morning. Winds southwesterly 20 to 30 km/h tending southerly in the morning then becoming light in the evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the late evening.
Seas
2.5 to 3 metres, decreasing to 1.5 to 2 metres during the morning, then decreasing to 1 metre by early evening.
1st Swell
Southerly 3 to 4 metres, decreasing to 2.5 to 3 metres during the afternoon.
Weather
Cloudy. 80% chance of showers.
Caution
Large and powerful surf conditions in the early morning are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Newcastle Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (2km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17.2 °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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