Johanna Beach Weather Forecast
- 9
- 16
Showers
- 12
- 15
Showers. Windy
- 11
- 14
Showers. Wind easing
- 10
- 13
Shower or two
- 8
- 13
Shower or two
- 9
- 13
Partly cloudy
- 9
- 13
Mostly sunny
Today 4 Sep South West
Cloudy. Very high chance of showers, becoming less likely later tonight. Winds northerly 25 to 35 km/h.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 4 to 5 metres.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- Northerly winds will strengthen tonight as a cold front approaches from the west. The front is forecast to cross Victoria on Saturday, with a vigorous westerly airstream developing as an associated low pressure system crosses Tasmania. Winds will ease on Sunday as a high pressure ridge extends over Victoria and persists into early next week.
Johanna Beach Temperature Statistics View More
September Temperature
Cape Otway (15km)
Lowest 1 September, 2026
9.7 °CAverage September
13.1 °CHighest 1 September, 2026
19.5 °C
Climate (2021–2026)
Cape Otway (15km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.3 °CAverage High 2021–2026
17.4 °C