Shoalhaven River - Regatta Island Weather Forecast

    • 19
    • 34

    Possible shower

    • 19
    • 31

    Shower or two. Possible storm

    • 21
    • 30

    Possible shower

    • 16
    • 29

    Shower or two

    • 14
    • 31

    Possible late shower

    • 15
    • 24

    Shower or two

    • 13
    • 24

    Partly cloudy

Today 20 Dec Illawarra

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Light winds.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla.
Seas
Around 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Mostly clear. The chance of a thunderstorm inshore.
Weather Situation
A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shoalhaven River - Regatta Island Temperature Statistics View More

December Temperature

Nowra (RAN Air Station) (16km)

  • Lowest 1 December, 2025

    8.8 °C

  • Average December

    20.9 °C

  • Highest 6 December, 2025

    39.5 °C

Climate (2020–Present)

Nowra (RAN Air Station) (16km)

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  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    16.5 °C

  • Average High 2020–2025

    22.4 °C
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