Gerringong Weather Forecast

    • 12
    • 24

    Sunny

    • 15
    • 26

    Sunny

    • 17
    • 23

    Shower or two

    • 15
    • 21

    Showers. Possible storm

    • 13
    • 21

    Mostly sunny

    • 13
    • 21

    Partly cloudy

    • 14
    • 24

    Sunny morning. Shower or two

Today 30 Sep Illawarra

Sunny. Winds northwest to northeasterly 15 to 25 km/h tending west to northwesterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 24 to 29.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore north of Port Kembla in the evening.
Seas
1.5 to 2 metres.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular.
Weather
Sunny.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gerringong Temperature Statistics View More

September Temperature

Kiama (Bombo Headland) (10km)

  • Lowest 18 September, 2026

    9.3 °C

  • Average September

    16.9 °C

  • Highest 5 September, 2026

    29.8 °C

Climate (2021–2026)

Kiama (Bombo Headland) (10km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.9 °C

  • Average High 2021–2026

    21.5 °C
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