Cape Sir William Grant Weather Forecast
- 10
- 15
Shower or two
- 9
- 14
Morning shower or two
- 5
- 14
Possible late shower
- 8
- 13
Partly cloudy
- 8
- 14
Partly cloudy
- 5
- 16
Mostly sunny
- 8
- 20
Partly cloudy
Today 6 Sep South West
Cloudy. Medium chance of showers in the south, slight chance elsewhere. Winds westerly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures around 16.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Southwesterly 15 to 20 knots turning westerly in the morning.
- Seas
- 1.5 to 2 metres, decreasing to 1 metre during the morning.
- 1st Swell
- West to southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
- Weather
- Cloudy. 60% chance of showers.
- Weather Situation
- A high pressure ridge will extend over northern Victoria on Sunday before a cold front crosses southern Victoria on Monday. The high pressure ridge will then extend across northern Victoria on Tuesday before a weak cold front crosses southern Victoria on Wednesday.
Cape Sir William Grant Temperature Statistics View More
September Temperature
Cape Nelson Lighthouse (7km)
Lowest 1 September, 2026
9.2 °CAverage September
13.3 °CHighest 1 September, 2026
19.3 °C
Climate (2021–2026)
Cape Nelson Lighthouse (7km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.6 °C