Johanna Beach Weather Forecast
- 16
- 23
Partly cloudy
- 16
- 20
Mostly sunny
- 16
- 19
Shower or two
- 13
- 17
Partly cloudy
- 13
- 20
Mostly sunny
- 15
- 31
Mostly sunny
- 15
- 21
Partly cloudy
Today 19 Jan South West
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds in the northwest. Winds easterly 15 to 20 km/h.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Easterly 15 to 20 knots, reaching up to 25 knots offshore.
- Seas
- 1 to 1.5 metres, increasing to 2 metres offshore.
- 1st Swell
- Easterly below 1 metre, increasing to 1 to 1.5 metres in the west.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A high pressure system centred over the southern Tasman Sea will move away to the southeast Tuesday. A low pressure trough over western districts will move slowly northeastwards mid week. Another high develops over waters south of the Bight and extends a ridge over Victoria later in the week.
Johanna Beach Temperature Statistics View More
January Temperature
Cape Otway (15km)
Lowest 6 January, 2026
10.6 °CAverage January
16.8 °CHighest 7 January, 2026
32.7 °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