Gerringong Weather Forecast

    • 17
    • 29

    Cloudy

    • 17
    • 23

    Possible late shower

    • 17
    • 21

    Showers increasing

    • 17
    • 22

    Showers

    • 17
    • 26

    Shower or two

    • 18
    • 29

    Possible shower

    • 17
    • 22

    Shower or two

Today 9 Dec Illawarra

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds south to southeasterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 25 knots increasing to 20 to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
Northeasterly below 1 metre.
Weather
Cloudy.
Weather Situation
A trough moves up southern and central parts of the coast today and on Wednesday, bringing a fresh to strong southerly change with it, before anchoring about the Hunter or Sydney coast, and weakening later in the week. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to coastal waters, turning northerly over the weekend.
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  • Temperature Forecast Bureau of Meteorology

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Gerringong Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (10km)

  • Lowest 2 December, 2025

    11.9 °C

  • Average December

    20.2 °C

  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (10km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    21.4 °C
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