Chester climate

Chester Weather in August

NOAA 1991-2020 normals for Chester, 0.3 km from Chester

Average highs run from 86°F on August 1 to 77°F on August 31, and lows from 53°F to 45°F. Normal precipitation for the month is 1.09 in over about 6 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.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
50°F
Precipitation
1.09 in
Record high
103°FAug 11, 2018
Record low
30°FAug 19, 1950
Chance of a freeze
7%
Days of 90°F or more
6.5
Daylight
15 h 02 min to 13 h 27 min
Cloud cover
50%
Humidity
47%
Dew point
45°F
Wind
8.9 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 186°F53°F96°F 202240°F 195320%0%
Aug 286°F53°F100°F 202641°F 195720%0%
Aug 386°F53°F100°F 200140°F 200220%0%
Aug 485°F53°F99°F 200140°F 200820%0%
Aug 585°F53°F97°F 199840°F 195620%0%
Aug 685°F52°F97°F 199842°F 200620%0%
Aug 785°F52°F96°F 200142°F 201520%0%
Aug 885°F52°F97°F 200644°F 200420%0%
Aug 985°F52°F98°F 200040°F 195520%0%
Aug 1084°F52°F100°F 200338°F 195120%0%
Aug 1184°F51°F103°F 201835°F 195220%0%
Aug 1284°F51°F100°F 200040°F 195220%0%
Aug 1383°F51°F95°F 201437°F 200520%0%
Aug 1483°F51°F98°F 201541°F 199519%0%
Aug 1583°F50°F95°F 202140°F 200919%0%
Aug 1683°F50°F99°F 202336°F 201219%0%
Aug 1782°F50°F95°F 201636°F 200219%0%
Aug 1882°F49°F97°F 202038°F 199519%0%
Aug 1981°F49°F93°F 200830°F 195019%0%
Aug 2081°F49°F94°F 202534°F 195619%0%
Aug 2181°F49°F94°F 202535°F 201819%0%
Aug 2280°F48°F94°F 195239°F 201519%0%
Aug 2380°F48°F96°F 199733°F 201519%0%
Aug 2479°F48°F96°F 195238°F 195519%0%
Aug 2579°F47°F94°F 200133°F 195719%0%
Aug 2679°F47°F94°F 200136°F 195219%0%
Aug 2778°F47°F97°F 201038°F 200419%0%
Aug 2878°F46°F94°F 201731°F 201819%0%
Aug 2978°F46°F94°F 199835°F 200319%0%
Aug 3077°F46°F97°F 199935°F 195219%0%
Aug 3177°F45°F96°F 201734°F 195619%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.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:59 AM, sunset 9:01 PM
August 31
sunrise 6:40 AM, sunset 8:07 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00241692 (Chester), public domain. Records: NOAA GHCN-Daily, station USC00247500, 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.