Kiama Harbour Weather Forecast

    • 17
    • 26

    Sunny

    • 16
    • 27

    Sunny

    • 19
    • 24

    Shower or two

    • 13
    • 17

    Possible shower

    • 14
    • 20

    Partly cloudy

    • 15
    • 23

    Mostly sunny

    • 16
    • 24

    Sunny

Today 19 Sep Illawarra

Sunny. Winds westerly 25 to 35 km/h. Overnight temperatures falling to between 10 and 15 with daytime temperatures reaching 23 to 29.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Westerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Kembla early in the morning. Winds turning north to northwesterly 10 to 15 knots during the morning and early afternoon then tending west to northwesterly 15 to 20 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore south of Port Kembla.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kiama Harbour Temperature Statistics View More

September Temperature

Kiama (Bombo Headland) (1km)

  • Lowest 18 September, 2026

    9.3 °C

  • Average September

    16.3 °C

  • Highest 5 September, 2026

    29.8 °C

Climate (2021–2026)

Kiama (Bombo Headland) (1km)

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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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