Afton Weather in August
Average highs run from 82°F on August 1 to 75°F on August 31, and lows from 45°F to 39°F. Normal precipitation for the month is 1.11 in over about 6 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 79°F
- Average low
- 43°F
- Precipitation
- 1.11 in
- Record high
- 96°FAug 1, 2000
- Record low
- 21°FAug 21, 1974
- Chance of a freeze
- 44%
- Days of 90°F or more
- 2.0
- Daylight
- 14 h 28 min to 13 h 12 min
- Cloud cover
- 42%
- Humidity
- 46%
- Dew point
- 39°F
- Wind
- 4.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 82°F | 45°F | 96°F 2000 | 34°F 1975 | 20% | 0% |
| Aug 2 | 82°F | 45°F | 95°F 2000 | 32°F 1975 | 20% | 0% |
| Aug 3 | 82°F | 45°F | 91°F 1961 | 34°F 1957 | 20% | 0% |
| Aug 4 | 82°F | 45°F | 93°F 1961 | 31°F 1980 | 20% | 0% |
| Aug 5 | 82°F | 45°F | 91°F 1994 | 32°F 1980 | 20% | 0% |
| Aug 6 | 82°F | 45°F | 89°F 1983 | 30°F 2015 | 20% | 0% |
| Aug 7 | 81°F | 45°F | 94°F 1990 | 33°F 1996 | 19% | 0% |
| Aug 8 | 81°F | 45°F | 95°F 1990 | 29°F 1976 | 19% | 0% |
| Aug 9 | 81°F | 44°F | 94°F 1965 | 28°F 1974 | 19% | 0% |
| Aug 10 | 81°F | 44°F | 95°F 1990 | 27°F 2015 | 19% | 0% |
| Aug 11 | 81°F | 44°F | 92°F 2018 | 32°F 1962 | 19% | 0% |
| Aug 12 | 81°F | 44°F | 92°F 1992 | 32°F 1985 | 19% | 0% |
| Aug 13 | 80°F | 44°F | 94°F 1992 | 31°F 1966 | 19% | 0% |
| Aug 14 | 80°F | 43°F | 94°F 1992 | 28°F 1959 | 19% | 0% |
| Aug 15 | 80°F | 43°F | 92°F 2003 | 24°F 1974 | 19% | 0% |
| Aug 16 | 80°F | 43°F | 95°F 1967 | 28°F 1968 | 18% | 0% |
| Aug 17 | 79°F | 43°F | 94°F 1967 | 29°F 1987 | 18% | 0% |
| Aug 18 | 79°F | 42°F | 91°F 2020 | 30°F 1974 | 18% | 0% |
| Aug 19 | 79°F | 42°F | 90°F 1961 | 27°F 1978 | 18% | 0% |
| Aug 20 | 79°F | 42°F | 91°F 2001 | 27°F 1974 | 18% | 0% |
| Aug 21 | 78°F | 42°F | 90°F 2009 | 21°F 1974 | 18% | |
| Aug 22 | 78°F | 41°F | 90°F 2009 | 24°F 1974 | 18% | |
| Aug 23 | 78°F | 41°F | 89°F 1988 | 26°F 1962 | 19% | |
| Aug 24 | 78°F | 41°F | 90°F 1967 | 25°F 1962 | 19% | |
| Aug 25 | 77°F | 41°F | 91°F 1985 | 25°F 1992 | 19% | |
| Aug 26 | 77°F | 40°F | 92°F 1988 | 23°F 1992 | 19% | |
| Aug 27 | 77°F | 40°F | 90°F 2001 | 27°F 1992 | 19% | |
| Aug 28 | 76°F | 40°F | 89°F 1995 | 25°F 1960 | 19% | |
| Aug 29 | 76°F | 39°F | 89°F 1990 | 26°F 1960 | 19% | |
| Aug 30 | 76°F | 39°F | 90°F 1990 | 23°F 1962 | 19% | |
| Aug 31 | 75°F | 39°F | 89°F 1974 | 24°F 1962 | 19% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:16 AM, sunset 8:44 PM
- August 31
- sunrise 6:48 AM, sunset 8:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00480027 (Afton), public domain. Records: NOAA GHCN-Daily, station USC00480027, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.