Cape Saint George Lighthouse Weather Forecast

    • 14
    • 24

    Shower or two

    • 16
    • 22

    Cloudy

    • 14
    • 24

    Partly cloudy

    • 14
    • 27

    Mostly sunny

    • 17
    • 29

    Possible shower or storm

    • 19
    • 27

    Possible shower

    • 18
    • 28

    Partly cloudy

Today 31 Dec Illawarra

Becoming cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, possibly severe with damaging winds about the Southern Highlands. Light winds becoming east to southeasterly 15 to 25 km/h in the morning then tending south to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming southerly 15 to 20 knots in the middle of the day.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
1st Swell
Southeasterly 1.5 metres, tending easterly 1.5 to 2 metres during the morning, then tending east to southeasterly 2 to 2.5 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
A trough will brush the coastal waters early this morning, bringing a surge of fresh southerly winds along the coast, followed by a new ridge extending from a high passing to the south of the state, gradually turning winds northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Saint George Lighthouse Temperature Statistics View More

December Temperature

Point Perpendicular (7km)

  • Lowest 2 December, 2025

    10.3 °C

  • Average December

    19.9 °C

  • Highest 5 December, 2025

    33 °C

Climate (2020–Present)

Point Perpendicular (7km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    20.7 °C
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