Miles City Weather in August
Average highs run from 91°F on August 1 to 83°F on August 31, and lows from 61°F to 53°F. Normal precipitation for the month is 0.91 in over about 7 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
- 87°F
- Average low
- 58°F
- Precipitation
- 0.91 in
- Record high
- 110°FAug 7, 1949
- Record low
- 35°FAug 22, 1966
- Chance of a freeze
- 0%
- Days of 90°F or more
- 15.1
- Daylight
- 14 h 49 min to 13 h 21 min
- Cloud cover
- 46%
- Humidity
- 44%
- Dew point
- 47°F
- Wind
- 9.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 91°F | 61°F | 106°F 2026 | 46°F 2002 | 22% |
| Aug 2 | 91°F | 61°F | 105°F 2024 | 48°F 2006 | 22% |
| Aug 3 | 91°F | 61°F | 106°F 1947 | 44°F 1978 | 22% |
| Aug 4 | 90°F | 61°F | 105°F 1947 | 42°F 2026 | 22% |
| Aug 5 | 90°F | 61°F | 104°F 1961 | 45°F 2026 | 22% |
| Aug 6 | 90°F | 61°F | 107°F 1949 | 48°F 1959 | 21% |
| Aug 7 | 90°F | 60°F | 110°F 1949 | 47°F 1939 | 21% |
| Aug 8 | 90°F | 60°F | 105°F 1947 | 42°F 1939 | 21% |
| Aug 9 | 90°F | 60°F | 104°F 1940 | 46°F 1985 | 21% |
| Aug 10 | 89°F | 60°F | 104°F 1969 | 46°F 1939 | 21% |
| Aug 11 | 89°F | 59°F | 107°F 2003 | 42°F 1952 | 21% |
| Aug 12 | 89°F | 59°F | 105°F 2003 | 46°F 2002 | 21% |
| Aug 13 | 89°F | 59°F | 107°F 1937 | 45°F 2002 | 21% |
| Aug 14 | 88°F | 59°F | 105°F 2003 | 45°F 1959 | 21% |
| Aug 15 | 88°F | 58°F | 105°F 2003 | 45°F 1974 | 21% |
| Aug 16 | 88°F | 58°F | 107°F 2003 | 43°F 2012 | 21% |
| Aug 17 | 88°F | 58°F | 104°F 1958 | 39°F 2002 | 21% |
| Aug 18 | 87°F | 57°F | 103°F 1948 | 46°F 2019 | 21% |
| Aug 19 | 87°F | 57°F | 102°F 2025 | 40°F 1950 | 21% |
| Aug 20 | 87°F | 57°F | 100°F 1969 | 44°F 1938 | 21% |
| Aug 21 | 86°F | 56°F | 102°F 1969 | 41°F 1945 | 21% |
| Aug 22 | 86°F | 56°F | 103°F 1971 | 35°F 1966 | 21% |
| Aug 23 | 86°F | 56°F | 103°F 1969 | 35°F 2015 | 21% |
| Aug 24 | 85°F | 55°F | 103°F 1953 | 43°F 1992 | 21% |
| Aug 25 | 85°F | 55°F | 103°F 1952 | 36°F 1992 | 21% |
| Aug 26 | 85°F | 55°F | 102°F 1939 | 43°F 1967 | 21% |
| Aug 27 | 84°F | 54°F | 102°F 1937 | 44°F 1988 | 21% |
| Aug 28 | 84°F | 54°F | 102°F 2012 | 43°F 1946 | 21% |
| Aug 29 | 83°F | 53°F | 101°F 1995 | 41°F 1965 | 21% |
| Aug 30 | 83°F | 53°F | 105°F 1948 | 40°F 1992 | 21% |
| Aug 31 | 83°F | 53°F | 101°F 1983 | 41°F 2020 | 21% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 5:45 AM, sunset 8:34 PM
- August 31
- sunrise 6:23 AM, sunset 7:44 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024037 (Miles City F Wiley Fld), public domain. Records: NOAA GHCN-Daily, station USW00024037, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.