Cape Sir William Grant Weather Forecast
- 12
- 18
Cloudy
- 12
- 28
Mostly sunny
- 16
- 26
Shower or two developing
- 13
- 19
Showers
- 9
- 15
Showers
- 8
- 14
Showers
- 8
- 14
Shower or two
Today 21 Oct South West
Cloudy. The chance of fog in the southeast in the early morning. Medium chance of showers near the Grampians, slight chance elsewhere. The chance of a thunderstorm in the afternoon and early evening. Light winds becoming south to southeasterly 15 to 20 km/h in the evening then becoming light in the late evening. Overnight temperatures falling to around 12 with daytime temperatures reaching the low to mid 20s.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- South to southwesterly about 10 knots becoming southeasterly in the late afternoon then increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Partly cloudy.
Cape Sir William Grant Temperature Statistics View More
October Temperature
Cape Nelson Lighthouse (7 km)
Lowest 5 October, 2026
7.8 °CAverage October
14.8 °CHighest 18 October, 2026
28.6 °C
Climate (2021–2026)
Cape Nelson Lighthouse (7 km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.7 °C