Gerringong Weather Forecast

    • 18
    • 28

    Showers. Storm developing

    • 14
    • 19

    Shower or two

    • 13
    • 20

    Shower or two

    • 12
    • 21

    Mostly sunny

    • 13
    • 22

    Sunny

    • 15
    • 23

    Partly cloudy

    • 17
    • 23

    Shower or two

Today 25 Oct Illawarra

Mostly sunny morning. Very high chance of showers, most likely in the afternoon and evening. A thunderstorm likely in the afternoon and evening. Thunderstorms possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the afternoon and evening. Winds north to northwesterly 20 to 30 km/h. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching 28 to 33.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 2 metres offshore during the morning.
Weather
Mostly sunny. 80% chance of showers. A thunderstorm likely in the afternoon and evening with possible squalls.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gerringong Temperature Statistics View More

October Temperature

Kiama (Bombo Headland) (10 km)

  • Lowest 9 October, 2026

    11.4 °C

  • Average October

    18 °C

  • Highest 12 October, 2026

    34.3 °C

Climate (2021–2026)

Kiama (Bombo Headland) (10 km)

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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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