Roanoke Weather in August
Average highs run from 89°F on August 1 to 88°F on August 31, and lows from 68°F to 66°F. Normal precipitation for the month is 4.02 in over about 9 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
- 68°F
- Precipitation
- 4.02 in
- Record high
- 106°FAug 21, 1925
- Record low
- 52°FAug 29, 1968
- Chance of a freeze
- 0%
- Days of 90°F or more
- 17.1
- Daylight
- 13 h 46 min to 12 h 53 min
- Cloud cover
- 53%
- Humidity
- 71%
- Dew point
- 68°F
- Wind
- 3.1 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 | 89°F | 68°F | 100°F 1931 | 59°F 1997 | 32% | 0% |
| Aug 2 | 89°F | 68°F | 99°F 1986 | 57°F 1975 | 32% | 0% |
| Aug 3 | 89°F | 68°F | 99°F 1947 | 62°F 1992 | 32% | 0% |
| Aug 4 | 89°F | 68°F | 102°F 1947 | 57°F 1950 | 32% | 0% |
| Aug 5 | 89°F | 68°F | 100°F 1935 | 57°F 1950 | 31% | 0% |
| Aug 6 | 89°F | 68°F | 100°F 1931 | 61°F 1915 | 31% | 0% |
| Aug 7 | 89°F | 68°F | 101°F 1930 | 60°F 1948 | 31% | 0% |
| Aug 8 | 89°F | 68°F | 103°F 1935 | 61°F 1948 | 31% | 0% |
| Aug 9 | 89°F | 68°F | 101°F 1980 | 58°F 2008 | 31% | 0% |
| Aug 10 | 89°F | 68°F | 103°F 1980 | 59°F 1953 | 31% | 0% |
| Aug 11 | 89°F | 68°F | 104°F 2007 | 61°F 1917 | 30% | 0% |
| Aug 12 | 89°F | 68°F | 103°F 2007 | 60°F 1931 | 30% | 0% |
| Aug 13 | 89°F | 68°F | 102°F 1925 | 58°F 1931 | 30% | 0% |
| Aug 14 | 89°F | 68°F | 101°F 1954 | 58°F 1964 | 30% | 0% |
| Aug 15 | 89°F | 68°F | 100°F 1925 | 57°F 1963 | 30% | 0% |
| Aug 16 | 89°F | 68°F | 101°F 1954 | 59°F 2004 | 29% | 0% |
| Aug 17 | 89°F | 68°F | 100°F 1995 | 61°F 1961 | 29% | 0% |
| Aug 18 | 89°F | 68°F | 102°F 2000 | 60°F 1961 | 29% | 0% |
| Aug 19 | 89°F | 68°F | 102°F 2000 | 60°F 1961 | 29% | 0% |
| Aug 20 | 89°F | 68°F | 104°F 1925 | 56°F 1943 | 28% | 0% |
| Aug 21 | 89°F | 67°F | 106°F 1925 | 54°F 1927 | 28% | 0% |
| Aug 22 | 89°F | 67°F | 100°F 1902 | 55°F 1918 | 28% | 0% |
| Aug 23 | 89°F | 67°F | 102°F 2007 | 57°F 1918 | 27% | 0% |
| Aug 24 | 89°F | 67°F | 101°F 1904 | 56°F 1931 | 27% | 0% |
| Aug 25 | 89°F | 67°F | 103°F 1938 | 58°F 1957 | 27% | 0% |
| Aug 26 | 88°F | 67°F | 102°F 1943 | 55°F 1917 | 26% | 0% |
| Aug 27 | 88°F | 67°F | 102°F 1903 | 54°F 1952 | 26% | 0% |
| Aug 28 | 88°F | 66°F | 104°F 1903 | 54°F 1952 | 26% | 0% |
| Aug 29 | 88°F | 66°F | 102°F 1903 | 52°F 1968 | 26% | 0% |
| Aug 30 | 88°F | 66°F | 101°F 1903 | 52°F 1968 | 25% | 0% |
| Aug 31 | 88°F | 66°F | 99°F 1998 | 54°F 1946 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 5:55 AM, sunset 7:41 PM
- August 31
- sunrise 6:15 AM, sunset 7:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00017025 (Rock Mills), public domain. Records: NOAA GHCN-Daily, station USC00099291, 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.