The temperatures in Fort William in August are quite cold with temperatures between 8°C and 12°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Fort William. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Fort William in August 2025.
If you’re planning to visit Fort William in the near future, we highly recommend that you review the 14 day weather forecast for Fort William before you arrive.
Temperatures
12° / 8°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
129
mm
Sun Hours
4.6
Hrs
