Cape Sir William Grant Weather Forecast
- 7
- 15
Shower or two
- 8
- 14
Showers
- 6
- 12
Showers easing
- 7
- 14
Showers increasing
- 10
- 15
Showers
- 9
- 14
Showers easing
- 7
- 15
Shower or two
Today 21 Jul South West
Cloudy. Morning fog in the northeast. Slight chance of a shower in the west later tonight. Near zero chance of rain elsewhere. Winds northerly 15 to 25 km/h. Daytime maximum temperatures between 11 and 15.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Northwesterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Westerly 2 to 2.5 metres.
- Weather
- Cloudy. 70% chance of showers.
- Weather Situation
- A high pressure system lies over over the Tasman Sea and extends a broad ridge west over Victoria and Bass Strait. A weak cold front is expected to approach western Victoria late Tuesday and then cross southern Victoria and Bass Strait on Wednesday. A high pressure ridge near the Bight will extend a ridge over northern Victoria on Thursday.
Cape Sir William Grant Temperature Statistics View More
July Temperature
Cape Nelson Lighthouse (7km)
Lowest 19 July, 2026
3.4 °CAverage July
11.2 °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