The Arch Weather Forecast
- 8
- 27
Sunny
- 17
- 30
Partly cloudy
- 10
- 20
Partly cloudy
- 10
- 19
Shower
- 9
- 17
Cloudy
- 9
- 20
Shower
- 11
- 21
Shower
Today 3 Dec South West
Sunny. The chance of fog in the southeast in the early morning. Light winds becoming northerly 15 to 20 km/h in the early morning then tending northwesterly 20 to 30 km/h in the morning. Overnight temperatures falling to around 7 with daytime temperatures reaching the mid to high 20s.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northwesterly 15 to 20 knots, reaching up to 25 knots in the far west in the afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west.
- 1st Swell
- Westerly 2 to 2.5 metres.
- Weather
- Sunny.
The Arch Temperature Statistics View More
December Temperature
Cape Otway (55km)
Lowest 1 December, 2025
9.1 °CAverage December
11.1 °CHighest
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Climate (2020–Present)
Cape Otway (55km)
Average Low 2020–2025
11.7 °CAverage 2020–2025
14.2 °CAverage High 2020–2025
17.3 °C