Belmont South Weather Forecast

    • 25
    • 31

    Showers. Possible storm

    • 19
    • 30

    Shower or two

    • 17
    • 30

    Partly cloudy

    • 18
    • 26

    Shower or two

    • 16
    • 24

    Possible shower

    • 15
    • 25

    Partly cloudy

    • 14
    • 26

    Partly cloudy

Today 22 Dec Newcastle

Partly cloudy. Very high chance of showers, most likely in the afternoon. The chance of a thunderstorm in the afternoon and evening. Light winds becoming easterly 15 to 25 km/h in the early afternoon then tending southeasterly 15 to 20 km/h in the late evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
North to northwesterly 15 to 20 knots, reaching up to 30 knots offshore early in the morning. Winds tending south to southeasterly 10 to 15 knots in the early afternoon then tending easterly 15 to 20 knots in the late afternoon.
Seas
2 to 3 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore south of Port Stephens by early evening.
1st Swell
Northeasterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Belmont South Temperature Statistics View More

December Temperature

Lake Macquarie (Cooranbong) (18km)

  • Lowest 1 December, 2025

    9.2 °C

  • Average December

    22.5 °C

  • Highest 19 December, 2025

    40.9 °C

Climate (2020–Present)

Lake Macquarie (Cooranbong) (18km)

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  • Average Low 2020–2025

    11.7 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    23.8 °C
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