Grant County Weather in August
Average highs run from 90°F on August 1 to 88°F on August 31, and lows from 60°F to 55°F. Normal precipitation for the month is 2.45 in over about 10 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
- 89°F
- Average low
- 58°F
- Precipitation
- 2.45 in
- Record high
- 102°FAug 14, 1953
- Record low
- 38°FAug 29, 1980
- Chance of a freeze
- 0%
- Days of 90°F or more
- 15.3
- Daylight
- 13 h 44 min to 12 h 51 min
- Cloud cover
- 52%
- Humidity
- 48%
- Dew point
- 54°F
- Wind
- 7.2 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 | 90°F | 60°F | 96°F 1972 | 46°F 1966 | 37% | 0% |
| Aug 2 | 90°F | 59°F | 96°F 1934 | 51°F 1953 | 37% | 0% |
| Aug 3 | 90°F | 59°F | 96°F 2009 | 47°F 1966 | 36% | 0% |
| Aug 4 | 90°F | 59°F | 95°F 1969 | 48°F 1961 | 36% | 0% |
| Aug 5 | 90°F | 59°F | 99°F 1953 | 44°F 1966 | 36% | 0% |
| Aug 6 | 90°F | 59°F | 100°F 1953 | 44°F 1966 | 36% | 0% |
| Aug 7 | 90°F | 59°F | 100°F 1953 | 45°F 1966 | 36% | 0% |
| Aug 8 | 90°F | 59°F | 100°F 1953 | 41°F 1966 | 35% | 0% |
| Aug 9 | 90°F | 59°F | 98°F 1953 | 44°F 1966 | 35% | 0% |
| Aug 10 | 90°F | 59°F | 95°F 1995 | 42°F 1966 | 35% | 0% |
| Aug 11 | 90°F | 59°F | 95°F 1995 | 48°F 1966 | 35% | 0% |
| Aug 12 | 90°F | 58°F | 97°F 1953 | 49°F 1966 | 35% | 0% |
| Aug 13 | 89°F | 58°F | 99°F 1953 | 50°F 1921 | 34% | 0% |
| Aug 14 | 89°F | 58°F | 102°F 1953 | 49°F 1940 | 34% | 0% |
| Aug 15 | 89°F | 58°F | 98°F 1951 | 48°F 1912 | 34% | 0% |
| Aug 16 | 89°F | 58°F | 97°F 1900 | 50°F 1979 | 34% | 0% |
| Aug 17 | 89°F | 58°F | 95°F 1907 | 49°F 1961 | 33% | 0% |
| Aug 18 | 89°F | 58°F | 96°F 1951 | 49°F 1968 | 33% | 0% |
| Aug 19 | 89°F | 57°F | 96°F 1951 | 43°F 1970 | 33% | 0% |
| Aug 20 | 89°F | 57°F | 95°F 1907 | 49°F 1965 | 32% | 0% |
| Aug 21 | 89°F | 57°F | 96°F 1911 | 46°F 1968 | 32% | 0% |
| Aug 22 | 89°F | 57°F | 94°F 2026 | 40°F 1980 | 32% | 0% |
| Aug 23 | 89°F | 57°F | 95°F 2026 | 44°F 1962 | 31% | 0% |
| Aug 24 | 89°F | 56°F | 96°F 2026 | 40°F 1987 | 31% | 0% |
| Aug 25 | 89°F | 56°F | 98°F 1953 | 40°F 1980 | 31% | 0% |
| Aug 26 | 89°F | 56°F | 97°F 2026 | 44°F 1980 | 30% | 0% |
| Aug 27 | 89°F | 56°F | 95°F 1953 | 48°F 1987 | 30% | 0% |
| Aug 28 | 89°F | 56°F | 94°F 1899 | 47°F 2001 | 30% | 0% |
| Aug 29 | 88°F | 55°F | 95°F 1950 | 38°F 1980 | 29% | 0% |
| Aug 30 | 88°F | 55°F | 95°F 1950 | 38°F 1980 | 29% | 0% |
| Aug 31 | 88°F | 55°F | 97°F 1995 | 39°F 1980 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:28 AM, sunset 8:12 PM
- August 31
- sunrise 6:48 AM, sunset 7:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00291910 (Cliff 11 Se), public domain. Records: NOAA GHCN-Daily, station USC00293265, 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.