Cleft Island Weather Forecast

    • 12
    • 23

    Very windy. Mostly clear

    • 10
    • 13

    Wind easing. Cloud clearing

    • 10
    • 13

    Mostly sunny

    • 11
    • 15

    Mostly sunny

    • 11
    • 17

    Partly cloudy

    • 13
    • 20

    Possible shower

    • 11
    • 14

    Shower or two. Windy

Today 20 Sep West and South Gippsland

Mostly clear. Slight chance of a shower in the southwest, most likely later tonight. Near zero chance of rain elsewhere. Winds northwesterly 30 to 45 km/h turning west to southwesterly 25 to 40 km/h in the evening.

Central Victoria Coastal Waters

Cape Otway to Wilsons Promontory
Wind
Westerly 20 to 30 knots.
Seas
2 to 3 metres.
1st Swell
West to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A cold front over central Victoria will cross eastern districts tonight as a high pressure system moves over waters south of the Bight. A cool southwesterly airstream will follow on Monday as the high moves rapidly east, reaching western Bass Strait by Monday night. The high will be located over the Tasman Sea by Tuesday night, with a warm northeasterly airstream continuing on Wednesday and Thursday as the high continues moving east.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cleft Island Temperature Statistics View More

September Temperature

Wilsons Promontory Lighthouse (11km)

  • Lowest 16 September, 2026

    7.3 °C

  • Average September

    13.2 °C

  • Highest 13 September, 2026

    24.2 °C

Climate (2021–2026)

Wilsons Promontory Lighthouse (11km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    14.4 °C

  • Average High 2021–2026

    16.9 °C
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