Plainfield climate

Plainfield Weather in August

NOAA 1991-2020 normals for Hancock Exp Farm, 11.2 km from Plainfield

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 59°F to 55°F. Normal precipitation for the month is 4.02 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 Plainfield, 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
57°F
Precipitation
4.02 in
Record high
105°FAug 24, 1948
Record low
33°FAug 14, 1964
Chance of a freeze
0%
Days of 90°F or more
1.7
Daylight
14 h 36 min to 13 h 16 min
Cloud cover
54%
Humidity
74%
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 181°F59°F102°F 198845°F 196832%0%
Aug 281°F59°F102°F 198840°F 192732%0%
Aug 381°F59°F98°F 196442°F 195032%0%
Aug 481°F59°F99°F 194740°F 192932%0%
Aug 581°F59°F99°F 193136°F 195732%0%
Aug 681°F59°F98°F 191842°F 194832%0%
Aug 781°F58°F97°F 193743°F 197532%0%
Aug 881°F58°F99°F 194138°F 190432%0%
Aug 980°F58°F101°F 193636°F 192732%0%
Aug 1080°F58°F98°F 194443°F 196732%0%
Aug 1180°F58°F97°F 194439°F 196731%0%
Aug 1280°F58°F96°F 191840°F 195231%0%
Aug 1380°F58°F100°F 194442°F 193331%0%
Aug 1480°F58°F95°F 196533°F 196431%0%
Aug 1580°F58°F98°F 193637°F 197931%0%
Aug 1680°F58°F100°F 193742°F 197931%0%
Aug 1779°F58°F100°F 198840°F 196231%0%
Aug 1879°F57°F101°F 193637°F 197731%0%
Aug 1979°F57°F97°F 195540°F 192731%0%
Aug 2079°F57°F99°F 195533°F 195031%0%
Aug 2179°F57°F103°F 195541°F 192531%0%
Aug 2279°F57°F95°F 194736°F 195831%0%
Aug 2378°F57°F100°F 194837°F 195231%0%
Aug 2478°F56°F105°F 194833°F 194231%0%
Aug 2578°F56°F101°F 194833°F 195831%0%
Aug 2678°F56°F98°F 194838°F 193431%0%
Aug 2778°F56°F96°F 195336°F 196831%0%
Aug 2877°F56°F96°F 195533°F 198631%0%
Aug 2977°F55°F95°F 193733°F 194631%0%
Aug 3077°F55°F95°F 192133°F 191531%0%
Aug 3177°F55°F96°F 195338°F 192831%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plainfield, 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 5:46 AM, sunset 8:22 PM
August 31
sunrise 6:20 AM, sunset 7:36 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00473405 (Hancock Exp Farm), public domain. Records: NOAA GHCN-Daily, station USC00473405, 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.