Wilton Weather in August
Average highs run from 79°F on August 1 to 75°F on August 31, and lows from 55°F to 51°F. Normal precipitation for the month is 4.05 in over about 12 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
- 77°F
- Average low
- 54°F
- Precipitation
- 4.05 in
- Record high
- 101°FAug 1, 1975
- Record low
- 33°FAug 26, 1989
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.7
- Daylight
- 14 h 38 min to 13 h 17 min
- Cloud cover
- 56%
- Humidity
- 80%
- Dew point
- 60°F
- Wind
- 3.8 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 | 79°F | 55°F | 101°F 1975 | 45°F 1964 | 40% | 0% |
| Aug 2 | 79°F | 55°F | 101°F 1975 | 46°F 1961 | 39% | 0% |
| Aug 3 | 79°F | 55°F | 94°F 1975 | 43°F 1976 | 39% | 0% |
| Aug 4 | 79°F | 55°F | 93°F 2001 | 47°F 1964 | 39% | 0% |
| Aug 5 | 79°F | 55°F | 93°F 1984 | 42°F 1972 | 39% | 0% |
| Aug 6 | 78°F | 55°F | 94°F 1988 | 46°F 1972 | 39% | 0% |
| Aug 7 | 78°F | 55°F | 95°F 1965 | 35°F 1987 | 39% | 0% |
| Aug 8 | 78°F | 55°F | 95°F 2001 | 48°F 2010 | 38% | 0% |
| Aug 9 | 78°F | 55°F | 92°F 2001 | 47°F 1989 | 38% | 0% |
| Aug 10 | 78°F | 55°F | 96°F 2001 | 42°F 1979 | 38% | 0% |
| Aug 11 | 78°F | 55°F | 92°F 1995 | 46°F 1972 | 38% | 0% |
| Aug 12 | 78°F | 54°F | 95°F 2016 | 44°F 1968 | 38% | 0% |
| Aug 13 | 78°F | 54°F | 97°F 2025 | 43°F 1983 | 38% | 0% |
| Aug 14 | 78°F | 54°F | 95°F 2002 | 41°F 1981 | 37% | 0% |
| Aug 15 | 78°F | 54°F | 96°F 2002 | 42°F 1961 | 37% | 0% |
| Aug 16 | 78°F | 54°F | 98°F 1985 | 44°F 1972 | 37% | 0% |
| Aug 17 | 78°F | 54°F | 93°F 1959 | 40°F 1979 | 37% | 0% |
| Aug 18 | 77°F | 53°F | 95°F 1987 | 44°F 1979 | 36% | 0% |
| Aug 19 | 77°F | 53°F | 91°F 2002 | 43°F 1968 | 36% | 0% |
| Aug 20 | 77°F | 53°F | 90°F 1995 | 42°F 2007 | 36% | 0% |
| Aug 21 | 77°F | 53°F | 92°F 1976 | 43°F 1977 | 36% | 0% |
| Aug 22 | 77°F | 53°F | 94°F 1976 | 39°F 1982 | 35% | 0% |
| Aug 23 | 77°F | 53°F | 89°F 1978 | 37°F 1982 | 35% | 0% |
| Aug 24 | 77°F | 52°F | 88°F 1969 | 41°F 1975 | 35% | 0% |
| Aug 25 | 76°F | 52°F | 88°F 1980 | 38°F 1978 | 35% | 0% |
| Aug 26 | 76°F | 52°F | 90°F 1980 | 33°F 1989 | 34% | 0% |
| Aug 27 | 76°F | 52°F | 94°F 1993 | 40°F 1987 | 34% | 0% |
| Aug 28 | 76°F | 51°F | 92°F 1977 | 38°F 1989 | 34% | 0% |
| Aug 29 | 76°F | 51°F | 93°F 1977 | 36°F 1982 | 34% | 0% |
| Aug 30 | 75°F | 51°F | 92°F 2010 | 35°F 1982 | 34% | 0% |
| Aug 31 | 75°F | 51°F | 91°F 1973 | 39°F 1976 | 34% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 5:28 AM, sunset 8:06 PM
- August 31
- sunrise 6:02 AM, sunset 7:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00172765 (Farmington), public domain. Records: NOAA GHCN-Daily, station USC00179151, 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.