Cape Sir William Grant Weather Forecast
- 6
- 13
Showers. Wind easing
- 9
- 13
Shower or two
- 8
- 13
Cloudy
- 3
- 15
Sunny
- 5
- 14
Partly cloudy
- 6
- 14
Possible shower
- 7
- 14
Possible shower
Today 3 Jul South West
Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. Snow falling above 1100 metres. The chance of a thunderstorm near the Otways in the early morning, possibly severe with damaging winds. Winds northwest to southwesterly 25 to 35 km/h tending southwesterly in the middle of the day then tending westerly 15 to 25 km/h in the evening. Daytime maximum temperatures around 12.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Westerly 25 to 30 knots, reaching up to 35 knots during the morning. Winds tending southwesterly 20 to 30 knots in the morning then decreasing to 20 to 25 knots in the late afternoon.
- Seas
- 2.5 to 4 metres, decreasing to 1.5 to 2 metres by early evening.
- 1st Swell
- Westerly 6 to 7 metres, tending southwesterly 5 to 6 metres around midday.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm in the far east early this morning.
- Weather Situation
- Another cold front crosses the state today shifting winds to a colder southwesterly flow. A high pressure system moves over the Bight during the weekend, extending a ridge over the southeast of the country into the new week.
Cape Sir William Grant Temperature Statistics View More
July Temperature
Cape Nelson Lighthouse (7km)
Lowest 1 July, 2026
10.5 °CAverage July
12.3 °CHighest 1 July, 2026
17.4 °C
Climate (2021–2026)
Cape Nelson Lighthouse (7km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.6 °C