Blenheim Beach Weather Forecast

    • 20
    • 27

    Possible shower

    • 19
    • 28

    Showers. Possible storm

    • 18
    • 24

    Showers easing

    • 18
    • 24

    Shower or two

    • 16
    • 27

    Mostly sunny

    • 17
    • 29

    Sunny

    • 18
    • 27

    Shower or two

Today 6 Mar Illawarra

Partly cloudy. The chance of fog inland in the early morning. Medium chance of showers, most likely in the afternoon and early evening. The chance of a thunderstorm in the afternoon and early evening, possibly severe with heavy rain which may lead to flash flooding inland. Light winds becoming northeast to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching the mid to high 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwest to northeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds tending southeast to southwesterly in the middle of the day then tending northwest to northeasterly in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular during the morning.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blenheim Beach Temperature Statistics View More

March Temperature

Point Perpendicular (10km)

  • Lowest 2 March, 2026

    20.4 °C

  • Average March

    22 °C

  • Highest 4 March, 2026

    27.3 °C

Climate (2021–Present)

Point Perpendicular (10km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    20.8 °C
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