Johanna Beach Weather Forecast

    • 12
    • 15

    Rain. Wind easing

    • 10
    • 15

    Showers increasing

    • 10
    • 14

    Showers

    • 11
    • 14

    Shower or two

    • 10
    • 15

    Cloudy

    • 10
    • 16

    Shower or two

    • 10
    • 13

    Showers

Today 19 Aug South West

Cloudy. Very high chance of rain, most likely in the morning and afternoon. The chance of a thunderstorm in the morning. Winds north to northeasterly 25 to 35 km/h increasing to 45 km/h before turning northwesterly 25 to 35 km/h in the late morning and early afternoon. Overnight temperatures falling to around 11 with daytime temperatures reaching between 14 and 17.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
North to northeasterly 15 to 20 knots, reaching up to 30 knots offshore during the day. Winds turning northwesterly 15 to 25 knots in the late morning.
Seas
1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly 2 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning and afternoon.
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

    11.4 °C

  • Highest 2 August, 2026

    16.4 °C

Climate (2021–2026)

Cape Otway (15km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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