Wilton climate

Wilton Weather in August

NOAA 1991-2020 normals for Cashton, 21.5 km from Wilton

Average highs run from 80°F on August 1 to 77°F on August 31, and lows from 62°F to 59°F. Normal precipitation for the month is 4.10 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Wilton, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
61°F
Precipitation
4.10 in
Record high
103°FAug 24, 2023
Record low
34°FAug 14, 1964
Chance of a freeze
0%
Days of 90°F or more
1.2
Daylight
14 h 34 min to 13 h 14 min
Cloud cover
55%
Humidity
73%
Dew point
60°F
Wind
8.3 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 180°F62°F101°F 200644°F 197634%0%
Aug 280°F62°F102°F 198843°F 196534%0%
Aug 380°F62°F100°F 198842°F 195034%0%
Aug 480°F62°F100°F 198841°F 197134%0%
Aug 580°F62°F95°F 194740°F 195734%0%
Aug 680°F62°F96°F 193740°F 191734%0%
Aug 780°F62°F97°F 193742°F 197634%0%
Aug 880°F62°F100°F 200144°F 197633%0%
Aug 980°F62°F99°F 193640°F 197233%0%
Aug 1080°F62°F96°F 194443°F 198233%0%
Aug 1179°F62°F94°F 194439°F 196733%0%
Aug 1279°F61°F98°F 193639°F 196733%0%
Aug 1379°F61°F95°F 197540°F 200433%0%
Aug 1479°F61°F94°F 196534°F 196433%0%
Aug 1579°F61°F99°F 193641°F 197932%0%
Aug 1679°F61°F100°F 193738°F 197632%0%
Aug 1779°F61°F101°F 198840°F 196232%0%
Aug 1879°F61°F102°F 198837°F 197732%0%
Aug 1979°F61°F95°F 194742°F 196332%0%
Aug 2079°F61°F95°F 195535°F 195032%0%
Aug 2178°F61°F99°F 195534°F 195031%0%
Aug 2278°F60°F95°F 194739°F 195831%0%
Aug 2378°F60°F98°F 194843°F 194131%0%
Aug 2478°F60°F103°F 202337°F 194231%0%
Aug 2578°F60°F98°F 200334°F 195831%0%
Aug 2678°F60°F93°F 194837°F 196431%0%
Aug 2777°F60°F94°F 193740°F 196831%0%
Aug 2877°F59°F94°F 195540°F 191731%0%
Aug 2977°F59°F97°F 198434°F 196531%0%
Aug 3077°F59°F95°F 194137°F 189331%0%
Aug 3177°F59°F99°F 194135°F 196731%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wilton, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:51 AM, sunset 8:25 PM
August 31
sunrise 6:25 AM, sunset 7:39 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00471280 (Cashton), public domain. Records: NOAA GHCN-Daily, station USC00477997, 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.