Kiama Harbour Weather Forecast

    • 13
    • 19

    Mostly sunny

    • 13
    • 19

    Shower or two

    • 13
    • 18

    Showers

    • 15
    • 20

    Shower or two

    • 15
    • 21

    Shower or two

    • 14
    • 18

    Shower or two

    • 12
    • 18

    Showers

Today 20 May Illawarra

Mostly sunny. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds west to southwesterly 15 to 20 km/h tending south to southwesterly in the middle of the day then tending west to southwesterly in the evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 15 and 19.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southwesterly 20 to 30 knots decreasing to 20 to 25 knots in the middle of the day then tending southerly 20 to 30 knots in the evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres offshore.
1st Swell
Southerly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Kiama Harbour Temperature Statistics View More

May Temperature

Kiama (Bombo Headland) (1km)

  • Lowest 8 May, 2026

    10.1 °C

  • Average May

    17.7 °C

  • Highest 2 May, 2026

    23.4 °C

Climate (2021–Present)

Kiama (Bombo Headland) (1km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    17.8 °C

  • Average High 2021–2026

    21.5 °C
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