Mountain Home Weather in August
Average highs run from 97°F on August 1 to 88°F on August 31, and lows from 61°F to 53°F.
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
- 93°F
- Average low
- 58°F
- Record high
- 108°FAug 6, 1983
- Record low
- 33°FAug 31, 1965
- Chance of a freeze
- 0%
- Days of 90°F or more
- 22.6
- Daylight
- 14 h 31 min to 13 h 13 min
- Cloud cover
- 30%
- Humidity
- 27%
- Dew point
- 37°F
- Wind
- 7.4 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 | 97°F | 61°F | 104°F 1971 | 42°F 1995 | |
| Aug 2 | 97°F | 61°F | 104°F 1966 | 47°F 1970 | |
| Aug 3 | 97°F | 61°F | 105°F 2009 | 40°F 1938 | |
| Aug 4 | 97°F | 61°F | 106°F 1979 | 45°F 1938 | |
| Aug 5 | 97°F | 61°F | 105°F 1983 | 45°F 1996 | |
| Aug 6 | 96°F | 60°F | 108°F 1983 | 45°F 1969 | |
| Aug 7 | 96°F | 60°F | 108°F 1983 | 45°F 1969 | |
| Aug 8 | 96°F | 60°F | 107°F 1990 | 42°F 1939 | |
| Aug 9 | 96°F | 60°F | 104°F 1991 | 42°F 1995 | |
| Aug 10 | 95°F | 59°F | 105°F 1986 | 47°F 1970 | |
| Aug 11 | 95°F | 59°F | 105°F 1972 | 48°F 1985 | |
| Aug 12 | 95°F | 59°F | 104°F 1970 | 47°F 1995 | |
| Aug 13 | 95°F | 59°F | 107°F 1971 | 44°F 1966 | |
| Aug 14 | 94°F | 58°F | 104°F 1981 | 41°F 1995 | |
| Aug 15 | 94°F | 58°F | 103°F 1967 | 42°F 1938 | |
| Aug 16 | 94°F | 58°F | 104°F 1981 | 41°F 1938 | |
| Aug 17 | 93°F | 58°F | 104°F 1964 | 41°F 1978 | |
| Aug 18 | 93°F | 57°F | 106°F 2008 | 43°F 1987 | |
| Aug 19 | 93°F | 57°F | 103°F 2003 | 41°F 1995 | |
| Aug 20 | 92°F | 57°F | 102°F 1982 | 41°F 1964 | |
| Aug 21 | 92°F | 56°F | 103°F 2011 | 43°F 1938 | |
| Aug 22 | 91°F | 56°F | 105°F 1945 | 42°F 1938 | |
| Aug 23 | 91°F | 56°F | 105°F 1945 | 40°F 1944 | |
| Aug 24 | 91°F | 55°F | 105°F 2008 | 39°F 1992 | |
| Aug 25 | 90°F | 55°F | 104°F 2008 | 37°F 1992 | |
| Aug 26 | 90°F | 55°F | 104°F 2011 | 38°F 2006 | |
| Aug 27 | 90°F | 55°F | 107°F 2010 | 41°F 1993 | |
| Aug 28 | 89°F | 54°F | 103°F 2009 | 39°F 1942 | |
| Aug 29 | 89°F | 54°F | 101°F 1990 | 39°F 1964 | |
| Aug 30 | 88°F | 54°F | 99°F 1940 | 36°F 1969 | |
| Aug 31 | 88°F | 53°F | 101°F 2004 | 33°F 1965 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:33 AM, sunset 9:04 PM
- August 31
- sunrise 7:06 AM, sunset 8:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00106174 (Mtn Home), public domain. Records: NOAA GHCN-Daily, station USC00101195, 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.