Fort William Weather in August
Average highs run from 16°C on August 1 to 14°C on August 31, and lows from 10°C to 8°C. Normal precipitation for the month is 152 mm over about 25 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 15°C
- Average low
- 9°C
- Precipitation
- 152 mm
- Reanalysis high
- 25°CAug 7, 2003
- Reanalysis low
- 3°CAug 21, 1999
- Daylight
- 16 h 12 min to 13 h 58 min
- Cloud cover
- 81%
- Humidity
- 90%
- Dew point
- 10°C
- Wind
- 16.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 16°C | 10°C | 24°C 1995 | 5°C 2015 | 79% |
| Aug 2 | 16°C | 9°C | 25°C 1995 | 6°C 1996 | 80% |
| Aug 3 | 16°C | 9°C | 22°C 1999 | 6°C 2020 | 80% |
| Aug 4 | 16°C | 9°C | 21°C 1999 | 7°C 2014 | 78% |
| Aug 5 | 16°C | 9°C | 22°C 2003 | 7°C 2014 | 78% |
| Aug 6 | 15°C | 9°C | 24°C 2003 | 6°C 2007 | 78% |
| Aug 7 | 15°C | 9°C | 25°C 2003 | 5°C 2007 | 77% |
| Aug 8 | 15°C | 9°C | 23°C 2003 | 5°C 1992 | 77% |
| Aug 9 | 15°C | 9°C | 22°C 2003 | 6°C 2016 | 77% |
| Aug 10 | 15°C | 9°C | 21°C 2004 | 5°C 1999 | 77% |
| Aug 11 | 15°C | 9°C | 21°C 1995 | 5°C 1993 | 78% |
| Aug 12 | 15°C | 9°C | 23°C 2020 | 5°C 1993 | 78% |
| Aug 13 | 15°C | 9°C | 22°C 2020 | 5°C 1993 | 77% |
| Aug 14 | 15°C | 9°C | 21°C 2020 | 5°C 1994 | 78% |
| Aug 15 | 15°C | 9°C | 22°C 2020 | 6°C 1993 | 78% |
| Aug 16 | 15°C | 9°C | 20°C 2016 | 6°C 1993 | 79% |
| Aug 17 | 15°C | 9°C | 22°C 1995 | 6°C 1992 | 79% |
| Aug 18 | 15°C | 9°C | 23°C 1995 | 6°C 2014 | 79% |
| Aug 19 | 15°C | 9°C | 22°C 1997 | 5°C 2014 | 78% |
| Aug 20 | 15°C | 9°C | 22°C 1995 | 4°C 1999 | 78% |
| Aug 21 | 15°C | 9°C | 21°C 1995 | 3°C 1999 | 78% |
| Aug 22 | 14°C | 9°C | 20°C 2007 | 4°C 2004 | 80% |
| Aug 23 | 14°C | 9°C | 19°C 2015 | 4°C 1999 | 80% |
| Aug 24 | 14°C | 9°C | 19°C 2003 | 5°C 2020 | 79% |
| Aug 25 | 14°C | 8°C | 22°C 2019 | 3°C 2014 | 78% |
| Aug 26 | 14°C | 8°C | 18°C 2002 | 5°C 2014 | 78% |
| Aug 27 | 14°C | 8°C | 17°C 2019 | 4°C 2014 | 77% |
| Aug 28 | 14°C | 8°C | 17°C 1991 | 6°C 2020 | 78% |
| Aug 29 | 14°C | 8°C | 18°C 2008 | 5°C 2020 | 76% |
| Aug 30 | 14°C | 8°C | 20°C 1991 | 4°C 2020 | 76% |
| Aug 31 | 14°C | 8°C | 20°C 1993 | 4°C 2018 | 75% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- August 1
- sunrise 5:20 AM, sunset 9:32 PM
- August 31
- sunrise 6:21 AM, sunset 8:19 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.