Grafton Weather in August
Average highs run from 82°F on August 1 to 77°F on August 31, and lows from 61°F to 56°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
- 80°F
- Average low
- 59°F
- Record high
- 104°FAug 7, 1983
- Record low
- 31°FAug 28, 1986
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.8
- Daylight
- 15 h 01 min to 13 h 27 min
- Cloud cover
- 51%
- Humidity
- 62%
- Dew point
- 53°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 | 82°F | 61°F | 100°F 1989 | 42°F 1959 | |
| Aug 2 | 82°F | 61°F | 100°F 1946 | 39°F 1971 | |
| Aug 3 | 82°F | 61°F | 103°F 1989 | 33°F 1972 | |
| Aug 4 | 82°F | 61°F | 102°F 1947 | 41°F 1972 | |
| Aug 5 | 82°F | 61°F | 98°F 1964 | 43°F 1957 | |
| Aug 6 | 82°F | 61°F | 99°F 1961 | 42°F 1989 | |
| Aug 7 | 82°F | 61°F | 104°F 1983 | 41°F 1972 | |
| Aug 8 | 82°F | 61°F | 103°F 1958 | 43°F 1994 | |
| Aug 9 | 82°F | 61°F | 95°F 2010 | 40°F 1972 | |
| Aug 10 | 82°F | 60°F | 99°F 1988 | 39°F 1967 | |
| Aug 11 | 81°F | 60°F | 96°F 1958 | 40°F 1977 | |
| Aug 12 | 81°F | 60°F | 98°F 1978 | 43°F 1946 | |
| Aug 13 | 81°F | 60°F | 99°F 1961 | 37°F 1964 | |
| Aug 14 | 81°F | 60°F | 101°F 1961 | 33°F 1968 | |
| Aug 15 | 81°F | 60°F | 96°F 1956 | 36°F 1979 | |
| Aug 16 | 81°F | 59°F | 96°F 1961 | 42°F 1981 | |
| Aug 17 | 80°F | 59°F | 99°F 1945 | 39°F 1968 | |
| Aug 18 | 80°F | 59°F | 101°F 1955 | 37°F 1975 | |
| Aug 19 | 80°F | 59°F | 96°F 1976 | 37°F 2004 | |
| Aug 20 | 80°F | 59°F | 100°F 1976 | 32°F 2004 | |
| Aug 21 | 80°F | 58°F | 99°F 1947 | 38°F 1967 | |
| Aug 22 | 79°F | 58°F | 99°F 1947 | 40°F 1942 | |
| Aug 23 | 79°F | 58°F | 95°F 1948 | 35°F 1942 | |
| Aug 24 | 79°F | 58°F | 100°F 1976 | 39°F 2008 | |
| Aug 25 | 79°F | 57°F | 97°F 1953 | 37°F 1950 | |
| Aug 26 | 78°F | 57°F | 97°F 1953 | 37°F 1982 | |
| Aug 27 | 78°F | 57°F | 98°F 1991 | 32°F 1982 | |
| Aug 28 | 78°F | 56°F | 99°F 1991 | 31°F 1986 | |
| Aug 29 | 78°F | 56°F | 97°F 2012 | 37°F 1988 | |
| Aug 30 | 77°F | 56°F | 93°F 1961 | 38°F 1982 | |
| Aug 31 | 77°F | 56°F | 97°F 1953 | 35°F 1987 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 6:05 AM, sunset 9:06 PM
- August 31
- sunrise 6:46 AM, sunset 8:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00323594 (Grafton), public domain. Records: NOAA GHCN-Daily, station USW00014916, 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.