Johanna Beach Weather Forecast

    • 9
    • 16

    Sunny

    • 11
    • 20

    Partly cloudy

    • 14
    • 18

    Showers easing

    • 11
    • 14

    Showers

    • 10
    • 14

    Cloudy

    • 11
    • 16

    Partly cloudy

    • 12
    • 22

    Shower or two

Today 23 Sep South West

Sunny. Light winds. Daytime maximum temperatures around 20.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
East to northeasterly about 10 knots increasing to 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Sunny.
Weather Situation
A high pressure system near Bass Strait will move across the Tasman Sea during the rest of the week, directing a warm north to northeasterly airstream over Victoria. Another high pressure system moves in from the west from Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

September Temperature

Cape Otway (15km)

  • Lowest 8 September, 2026

    5.8 °C

  • Average September

    12.9 °C

  • Highest 20 September, 2026

    27.3 °C

Climate (2021–2026)

Cape Otway (15km)

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  • Average Low 2021–2026

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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