Cape Sir William Grant Weather Forecast
- 9
- 13
Showers. Windy
- 6
- 12
Showers easing. Wind easing
- 6
- 13
Showers
- 5
- 13
Possible shower
- 4
- 14
Partly cloudy
- 5
- 13
Possible shower
- 6
- 13
Shower or two
Today 28 Jul South West
Cloudy. Very high chance of showers. Snow falling above 900 metres. The chance of a thunderstorm in the south in the late afternoon and evening. Possible small hail in the afternoon and evening. Damaging winds possible near the coast in the evening. Winds northwesterly 25 to 35 km/h turning westerly during the afternoon and evening. Daytime maximum temperatures around 13.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- West to northwesterly 25 to 30 knots tending west to southwesterly during the afternoon and evening. Winds reaching up to 35 knots in the evening.
- Seas
- 2 to 3 metres, increasing to 2.5 to 4 metres offshore.
- 1st Swell
- Westerly 2.5 to 4 metres, increasing to 4 to 6 metres during the afternoon.
- Weather
- Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail in the afternoon and evening.
- Weather Situation
- A cold front over Victoria on Tuesday will bring a colder southwesterly airstream. A weakening low pressure system will move across Bass Strait early Wednesday in the wake of Tuesday's front then a high pressure ridge will move across from the west on Thursday and Friday. The ridge will move eastwards on Saturday.
Cape Sir William Grant Temperature Statistics View More
July Temperature
Cape Nelson Lighthouse (7km)
Lowest 19 July, 2026
3.4 °CAverage July
11.4 °CHighest 1 July, 2026
17.4 °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