Nelson Bay Weather Forecast

    • 16
    • 27

    Partly cloudy

    • 18
    • 29

    Shower or two

    • 18
    • 23

    Shower or two

    • 16
    • 23

    Cloudy

    • 16
    • 25

    Partly cloudy

    • 15
    • 27

    Partly cloudy

    • 14
    • 30

    Sunny

Today 13 Dec Hunter

Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming east to northeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening. Daytime maximum temperatures 27 to 32.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
North to northeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon.
1st Swell
Easterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm south of Port Stephens in the afternoon and evening.
Weather Situation
Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending across the south. A cold front is forecast to move up the coast as a southerly change late Sunday into Monday behind which a new ridge of high pressure settled is forecast to settle bringing southeasterly winds through mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nelson Bay Temperature Statistics View More

December Temperature

Williamtown RAAF Base (30km)

  • Lowest 2 December, 2025

    11.3 °C

  • Average December

    22.8 °C

  • Highest 6 December, 2025

    40.2 °C

Climate (2020–Present)

Williamtown RAAF Base (30km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    23.7 °C
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