Wheaton climate

Wheaton Weather in August

NOAA 1991-2020 normals for Wheaton 3 Se, 6.6 km from Wheaton

Average highs run from 84°F on August 1 to 83°F on August 31, and lows from 63°F to 60°F. Normal precipitation for the month is 4.40 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 Wheaton, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
62°F
Precipitation
4.40 in
Record high
97°FAug 2, 2006
Record low
43°FAug 31, 2009
Chance of a freeze
0%
Days of 90°F or more
7.0
Daylight
14 h 25 min to 13 h 10 min
Cloud cover
64%
Humidity
73%
Dew point
62°F
Wind
8.1 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 184°F63°F96°F 200651°F 199830%0%
Aug 284°F63°F97°F 200654°F 200930%0%
Aug 384°F63°F95°F 201254°F 200030%0%
Aug 484°F63°F95°F 201853°F 200030%0%
Aug 584°F63°F92°F 201849°F 202030%0%
Aug 684°F63°F93°F 202248°F 200430%0%
Aug 784°F63°F94°F 200150°F 200430%0%
Aug 884°F63°F92°F 200152°F 199730%0%
Aug 984°F63°F94°F 200549°F 199930%0%
Aug 1084°F63°F92°F 202154°F 200830%0%
Aug 1184°F63°F92°F 201650°F 200430%0%
Aug 1284°F63°F94°F 201048°F 200430%0%
Aug 1384°F63°F91°F 201050°F 200430%0%
Aug 1484°F63°F89°F 202046°F 200429%0%
Aug 1584°F63°F91°F 202544°F 200429%0%
Aug 1684°F63°F95°F 202549°F 200429%0%
Aug 1784°F62°F87°F 201551°F 201329%0%
Aug 1884°F62°F88°F 202548°F 201229%0%
Aug 1984°F62°F89°F 202151°F 199729%0%
Aug 2084°F62°F93°F 202351°F 200228%0%
Aug 2184°F62°F94°F 200349°F 200428%0%
Aug 2284°F62°F90°F 200748°F 200428%0%
Aug 2384°F62°F95°F 202351°F 199728%0%
Aug 2484°F62°F97°F 202351°F 200528%0%
Aug 2583°F61°F95°F 200346°F 201727%0%
Aug 2683°F61°F94°F 202448°F 202527%0%
Aug 2783°F61°F97°F 202447°F 201527%0%
Aug 2883°F61°F93°F 202152°F 202327%0%
Aug 2983°F60°F92°F 201051°F 199927%0%
Aug 3083°F60°F93°F 201348°F 200927%0%
Aug 3183°F60°F91°F 200043°F 200927%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wheaton, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:46 AM, sunset 8:11 PM
August 31
sunrise 6:17 AM, sunset 7:27 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00119221 (Wheaton 3 Se), public domain. Records: NOAA GHCN-Daily, station USW00094892, 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.