Stack Island Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 13
    • 21

    Mostly sunny

    • 14
    • 22

    Mostly sunny

    • 15
    • 23

    Mostly sunny

    • 17
    • 23

    Possible shower

    • 17
    • 24

    Partly cloudy

    • 18
    • 26

    Possible shower

Today 18 Oct Illawarra

Partly cloudy. The chance of fog inland early this morning. Slight chance of a shower, most likely this afternoon. The chance of a thunderstorm in the north during this afternoon and early evening. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures between 19 and 23.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots offshore south of Point Perpendicular in the late evening.
Seas
Below 1 metre.
1st Swell
Southeasterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm inshore during this afternoon and early evening.
Weather Situation
Easterly winds will gradually shift northeasterly along New South Wales Coastal Waters over the weekend as a slow-moving high pressure system over the southern Tasman Sea drifts eastward.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

October Temperature

Kiama (Bombo Headland) (3 km)

  • Lowest 9 October, 2026

    11.4 °C
  • Average October

    17.7 °C
  • Highest 12 October, 2026

    34.3 °C

Climate (2021–2026)

Kiama (Bombo Headland) (3 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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