Johanna Beach Weather Forecast
- 21
- 31
Showers. Possible storm
- 15
- 20
Partly cloudy
- 15
- 20
Partly cloudy
- 14
- 24
Sunny
- 15
- 21
Cloud clearing
- 15
- 28
Showers
- 15
- 19
Shower or two
Today 17 Feb South West
Becoming cloudy. Very high chance of showers, most likely in the afternoon and early evening. A thunderstorm likely, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the morning and afternoon. Winds north to northeasterly 25 to 35 km/h increasing to 45 km/h before shifting west to southwesterly 25 to 40 km/h in the early afternoon, then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to between 19 and 22 with daytime temperatures reaching the low to mid 30s.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northeasterly 15 to 20 knots shifting westerly 15 to 25 knots in the middle of the day.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
- 1st Swell
- Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- Weather
- Partly cloudy. 95% chance of showers. A thunderstorm likely in the morning and afternoon.
Johanna Beach Temperature Statistics View More
February Temperature
Cape Otway (15km)
Lowest 6 February, 2026
9.3 °CAverage February
16.7 °CHighest 10 February, 2026
24.8 °C
Climate (2021–Present)
Cape Otway (15km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
14.2 °CAverage High 2021–2026
17.3 °C