Bourbonnais climate

Bourbonnais Weather in August

NOAA 1991-2020 normals for Kankakee Metro Wastewater, 2.1 km from Bourbonnais

Average highs run from 84°F on August 1 to 82°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 3.85 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 Bourbonnais, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
63°F
Precipitation
3.85 in
Record high
107°FAug 17, 1988
Record low
39°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
4.6
Daylight
14 h 21 min to 13 h 09 min
Cloud cover
51%
Humidity
74%
Dew point
63°F
Wind
7.4 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 184°F64°F98°F 198848°F 199028%0%
Aug 284°F64°F104°F 198851°F 199028%0%
Aug 384°F64°F101°F 198852°F 197628%0%
Aug 484°F64°F98°F 198852°F 197828%0%
Aug 584°F64°F99°F 198848°F 199428%0%
Aug 684°F64°F94°F 201848°F 199427%0%
Aug 784°F64°F93°F 198849°F 199027%0%
Aug 884°F64°F96°F 201247°F 198927%0%
Aug 984°F64°F99°F 198849°F 198927%0%
Aug 1084°F64°F95°F 198051°F 199427%0%
Aug 1184°F64°F92°F 200548°F 198227%0%
Aug 1284°F64°F96°F 198848°F 198627%0%
Aug 1383°F64°F96°F 198848°F 200427%0%
Aug 1483°F64°F95°F 198850°F 199027%0%
Aug 1583°F63°F98°F 198847°F 199227%0%
Aug 1683°F63°F101°F 198847°F 197927%0%
Aug 1783°F63°F107°F 198848°F 197927%0%
Aug 1883°F63°F103°F 198851°F 197627%0%
Aug 1983°F63°F102°F 198852°F 198227%0%
Aug 2083°F63°F95°F 198349°F 198527%0%
Aug 2183°F63°F96°F 198350°F 198527%0%
Aug 2283°F63°F96°F 200350°F 199427%0%
Aug 2383°F62°F92°F 199848°F 198427%0%
Aug 2483°F62°F94°F 202350°F 198427%0%
Aug 2583°F62°F95°F 202349°F 198627%0%
Aug 2683°F62°F95°F 199150°F 198426%0%
Aug 2783°F62°F97°F 200350°F 202526%0%
Aug 2882°F61°F96°F 202439°F 198626%0%
Aug 2982°F61°F97°F 199040°F 198626%0%
Aug 3082°F61°F96°F 198447°F 198826%0%
Aug 3182°F61°F98°F 199147°F 198626%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bourbonnais, 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 5:47 AM, sunset 8:08 PM
August 31
sunrise 6:17 AM, sunset 7:26 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114603 (Kankakee Metro Wastewater), public domain. Records: NOAA GHCN-Daily, station USC00114603, 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.