Cape Saint George Weather Forecast

    • 15
    • 26

    Shower or two

    • 17
    • 31

    Possible shower

    • 16
    • 20

    Cloudy

    • 15
    • 21

    Cloudy

    • 15
    • 24

    Cloud clearing

    • 15
    • 29

    Sunny

    • 17
    • 31

    Sunny morning. Shower or two

Today 13 Dec Illawarra

Partly cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm. Winds northwest to northeasterly 15 to 25 km/h tending west to northwesterly 15 to 20 km/h in the evening then becoming light in the late evening. Daytime maximum temperatures around 30.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the evening.
Seas
Around 1 metre, increasing to 1.5 metres during the afternoon.
1st Swell
Easterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Weather Situation
Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending across the south. A cold front is forecast to move up the coast as a southerly change late Sunday into Monday behind which a new ridge of high pressure settled is forecast to settle bringing southeasterly winds through mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Saint George Temperature Statistics View More

December Temperature

Point Perpendicular (9km)

  • Lowest 2 December, 2025

    10.3 °C

  • Average December

    20.1 °C

  • Highest 5 December, 2025

    33 °C

Climate (2020–Present)

Point Perpendicular (9km)

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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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