Island Arch Weather Forecast
- 5
- 17
Partly cloudy
- 6
- 23
Partly cloudy
- 12
- 18
Shower
- 10
- 19
Partly cloudy
- 11
- 26
Shower
- 10
- 16
Shower
- 8
- 16
Shower
Today 29 Oct South West
Partly cloudy. Winds south to southeasterly 15 to 20 km/h becoming light in the late evening.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Southeasterly 10 to 15 knots, reaching up to 20 knots in the far west in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge to the south will move slowly eastwards during Wednesday and Thursday to be over the Tasman Sea by late Thursday and a warmer northerly airstream will extend over Victoria. Another low pressure trough will move across Victoria on Friday. A high pressure ridge will move across from the west on Saturday followed by another trough on Sunday and early Monday.
Island Arch Temperature Statistics View More
October Temperature
Cape Otway (44km)
Lowest 2 October, 2025
7 °CAverage October
13 °CHighest 16 October, 2025
26.2 °C
Climate (2020–Present)
Cape Otway (44km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
14.2 °CAverage High 2020–2025
17.4 °C