Kiama Harbour Weather Forecast

    • 19
    • 30

    Clear

    • 20
    • 30

    Possible late shower

    • 20
    • 29

    Shower or two

    • 20
    • 29

    Shower or two. Possible storm

    • 21
    • 28

    Shower or two

    • 19
    • 27

    Shower or two

    • 17
    • 28

    Shower or two

Today 18 Dec Illawarra

Clear. Winds west to northwesterly 15 to 25 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 20 to 25 knots turning northerly in the evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres north of Point Perpendicular.
1st Swell
Southerly below 1 metre.
Weather
Clear.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Coastal Waters. Later today or Friday a weak trough will bring a brief southerly change to much of the coast before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kiama Harbour Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (1km)

  • Lowest 2 December, 2025

    11.9 °C

  • Average December

    20.1 °C

  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (1km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    21.4 °C
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