Chester climate

Chester Weather in August

NOAA 1991-2020 normals for Chester 1 Se, 2.8 km from Chester

Average highs run from 90°F on August 1 to 87°F on August 31, and lows from 69°F to 66°F. Normal precipitation for the month is 4.43 in over about 9 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 Chester, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
68°F
Precipitation
4.43 in
Record high
106°FAug 21, 1983
Record low
47°FAug 30, 1965
Chance of a freeze
0%
Days of 90°F or more
14.4
Daylight
13 h 52 min to 12 h 55 min
Cloud cover
57%
Humidity
71%
Dew point
68°F
Wind
3.4 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 190°F69°F102°F 198054°F 199731%0%
Aug 290°F69°F99°F 195355°F 199731%0%
Aug 390°F69°F100°F 195057°F 199731%0%
Aug 489°F69°F102°F 195357°F 199831%0%
Aug 589°F69°F104°F 195456°F 199831%0%
Aug 689°F69°F103°F 195655°F 194831%0%
Aug 789°F69°F101°F 193550°F 195731%0%
Aug 889°F69°F100°F 198051°F 200431%0%
Aug 989°F69°F103°F 200754°F 200431%0%
Aug 1089°F69°F105°F 200758°F 199431%0%
Aug 1189°F68°F105°F 200757°F 195431%0%
Aug 1289°F68°F103°F 192555°F 195431%0%
Aug 1389°F68°F101°F 192555°F 196430%0%
Aug 1489°F68°F102°F 199955°F 196430%0%
Aug 1589°F68°F102°F 199957°F 196130%0%
Aug 1688°F68°F104°F 195453°F 196130%0%
Aug 1788°F68°F102°F 200754°F 196129%0%
Aug 1888°F68°F101°F 195459°F 196029%0%
Aug 1988°F68°F103°F 192556°F 196029%0%
Aug 2088°F68°F104°F 192556°F 194328%0%
Aug 2188°F68°F106°F 198355°F 194328%0%
Aug 2288°F67°F105°F 196855°F 195728%0%
Aug 2388°F67°F104°F 196854°F 199727%0%
Aug 2488°F67°F102°F 196853°F 195627%0%
Aug 2587°F67°F101°F 195955°F 199727%0%
Aug 2687°F67°F103°F 195451°F 193527%0%
Aug 2787°F67°F103°F 195454°F 194226%0%
Aug 2887°F67°F100°F 195456°F 194426%0%
Aug 2987°F66°F99°F 198752°F 196826%0%
Aug 3087°F66°F99°F 194847°F 196526%0%
Aug 3187°F66°F100°F 195749°F 193625%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chester, 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 (EDT).

August 1
sunrise 6:35 AM, sunset 8:27 PM
August 31
sunrise 6:57 AM, sunset 7:52 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00381633 (Chester 1 Se), public domain. Records: NOAA GHCN-Daily, station USC00381633, 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.