Johanna Beach Weather Forecast

    • 10
    • 12

    Rain at times

    • 11
    • 14

    Showers

    • 9
    • 14

    Showers increasing

    • 9
    • 13

    Showers. Windy

    • 10
    • 14

    Showers

    • 10
    • 14

    Showers easing

    • 10
    • 14

    Shower or two

Today 9 Aug South West

Cloudy. High chance of rain. Winds northeasterly 15 to 20 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 10 to 15 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres in the far east.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A low pressure system over South Australia is forecast to move over western Victoria overnight. The low will then slowly move over eastern Bass Strait later Monday morning, while extending a trough over western and central Victoria during Monday afternoon and early evening. A ridge of high pressure will build over Victoria on Tuesday, ahead of a cold front to cross the state early on Wednesday. A high pressure system is expected to build over the Bight on Thursday and extend a ridge across Victoria.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

August Temperature

Cape Otway (15km)

  • Lowest 1 August, 2026

    6.4 °C

  • Average August

    11.1 °C

  • Highest 2 August, 2026

    16.4 °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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