Colby Weather in August
Average highs run from 79°F on August 1 to 75°F on August 31, and lows from 56°F to 52°F. Normal precipitation for the month is 4.42 in over about 11 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
- 77°F
- Average low
- 54°F
- Precipitation
- 4.42 in
- Record high
- 100°FAug 4, 1896
- Record low
- 30°FAug 30, 1931
- Chance of a freeze
- 1%
- Days of 90°F or more
- 0.6
- Daylight
- 14 h 40 min to 13 h 18 min
- Cloud cover
- 55%
- Humidity
- 76%
- Dew point
- 58°F
- Wind
- 8.5 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 | 79°F | 56°F | 99°F 1902 | 37°F 1895 | 36% | 0% |
| Aug 2 | 79°F | 56°F | 98°F 1964 | 40°F 1904 | 36% | 0% |
| Aug 3 | 78°F | 56°F | 98°F 1988 | 37°F 1894 | 36% | 0% |
| Aug 4 | 78°F | 55°F | 100°F 1896 | 38°F 1912 | 36% | 0% |
| Aug 5 | 78°F | 55°F | 98°F 1896 | 39°F 1957 | 36% | 0% |
| Aug 6 | 78°F | 55°F | 99°F 1900 | 38°F 1893 | 36% | 0% |
| Aug 7 | 78°F | 55°F | 95°F 1900 | 41°F 1993 | 36% | 0% |
| Aug 8 | 78°F | 55°F | 96°F 1900 | 35°F 1904 | 36% | 0% |
| Aug 9 | 78°F | 55°F | 100°F 1896 | 37°F 1898 | 36% | 0% |
| Aug 10 | 78°F | 55°F | 96°F 1899 | 41°F 1930 | 36% | 0% |
| Aug 11 | 78°F | 55°F | 95°F 1900 | 37°F 1967 | 35% | 0% |
| Aug 12 | 78°F | 55°F | 97°F 1947 | 36°F 1903 | 35% | 0% |
| Aug 13 | 78°F | 55°F | 98°F 1895 | 38°F 1916 | 35% | 0% |
| Aug 14 | 78°F | 55°F | 95°F 1900 | 34°F 1964 | 35% | 0% |
| Aug 15 | 78°F | 55°F | 99°F 1936 | 37°F 1979 | 35% | 0% |
| Aug 16 | 77°F | 55°F | 97°F 1900 | 39°F 1958 | 35% | 0% |
| Aug 17 | 77°F | 55°F | 99°F 1900 | 38°F 1896 | 35% | 0% |
| Aug 18 | 77°F | 54°F | 97°F 1900 | 37°F 1977 | 35% | 0% |
| Aug 19 | 77°F | 54°F | 100°F 1900 | 32°F 1897 | 35% | 0% |
| Aug 20 | 77°F | 54°F | 94°F 1906 | 33°F 1897 | 35% | 0% |
| Aug 21 | 77°F | 54°F | 100°F 1901 | 33°F 1895 | 35% | 0% |
| Aug 22 | 77°F | 54°F | 97°F 1900 | 34°F 1920 | 35% | 0% |
| Aug 23 | 76°F | 54°F | 96°F 1948 | 33°F 1897 | 34% | 0% |
| Aug 24 | 76°F | 54°F | 97°F 1948 | 34°F 1942 | 34% | 0% |
| Aug 25 | 76°F | 53°F | 96°F 1909 | 33°F 1897 | 34% | 0% |
| Aug 26 | 76°F | 53°F | 92°F 1899 | 34°F 1915 | 34% | 0% |
| Aug 27 | 76°F | 53°F | 95°F 1899 | 34°F 1896 | 34% | 0% |
| Aug 28 | 75°F | 53°F | 97°F 1899 | 33°F 1986 | 34% | 0% |
| Aug 29 | 75°F | 53°F | 96°F 1899 | 31°F 1893 | 34% | 0% |
| Aug 30 | 75°F | 52°F | 100°F 1900 | 30°F 1931 | 34% | 0% |
| Aug 31 | 75°F | 52°F | 97°F 1937 | 37°F 2009 | 34% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 5:47 AM, sunset 8:27 PM
- August 31
- sunrise 6:22 AM, sunset 7:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00476357 (Owen 1E), public domain. Records: NOAA GHCN-Daily, station USC00475255, 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.