Johanna Beach Weather Forecast

    • 10
    • 17

    Showers increasing

    • 12
    • 16

    Showers

    • 10
    • 15

    Showers

    • 10
    • 14

    Showers

    • 11
    • 14

    Showers easing

    • 10
    • 13

    Possible shower

    • 9
    • 14

    Possible shower

Today 18 Aug South West

Becoming cloudy. High chance of showers, most likely during this afternoon and evening. Winds northeasterly 25 to 35 km/h. Daytime maximum temperatures between 15 and 18.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Becoming cloudy. 80% chance of showers.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over most of the state. A low pressure trough will move across South Australia on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday. A weak high pressure ridge will move over the state on Thursday and Friday, as a series of cold fronts move across Tasmania.
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

    11.8 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    17.5 °C
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