Johanna Beach Weather Forecast

    • 12
    • 18

    Sunny

    • 12
    • 18

    Mostly sunny

    • 11
    • 19

    Mostly sunny

    • 13
    • 20

    Shower or two

    • 15
    • 19

    Showers

    • 13
    • 18

    Showers

    • 13
    • 17

    Showers

Today 12 May South West

Patchy morning fog. Sunny afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures in the low 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Easterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A large high pressure system south of Victoria extends a ridge over the state, which will persist for most of the week as the high centre moves over the Tasman Sea. A cold front is expected to approach from the southwest late Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Johanna Beach Temperature Statistics View More

May Temperature

Cape Otway (15km)

  • Lowest 7 May, 2026

    6.3 °C

  • Average May

    15 °C

  • Highest 1 May, 2026

    27.4 °C

Climate (2021–Present)

Cape Otway (15km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    17.4 °C
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