Cudmirrah Beach Weather Forecast

    • 15
    • 28

    Mostly sunny

    • 16
    • 31

    Sunny morning. Shower or two

    • 12
    • 16

    Showers

    • 11
    • 17

    Cloudy

    • 10
    • 21

    Mostly sunny

    • 11
    • 26

    Sunny

    • 15
    • 28

    Partly cloudy

Today 25 Sep Illawarra

Partly cloudy. Patchy morning fog. Slight chance of a shower in the north in the late morning and afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and evening. Light winds becoming northwest to northeasterly 15 to 25 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 30.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla by early evening.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northeasterly flow through the coastal waters. A cold front and trough will enter the Tasman Sea early Saturday, bringing a southerly change which will gradually track northward through the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cudmirrah Beach Temperature Statistics View More

September Temperature

Ulladulla (21km)

  • Lowest 16 September, 2026

    6.9 °C

  • Average September

    16.5 °C

  • Highest 20 September, 2026

    30.2 °C

Climate (2021–2026)

Ulladulla (21km)

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  • Average Low 2021–2026

    13.9 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    20.9 °C
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