Morton climate

Morton Weather in August

NOAA 1991-2020 normals for Congerville 2NW, 18.4 km from Morton

Average highs run from 85°F on August 1 to 83°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.74 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 Morton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
63°F
Precipitation
3.74 in
Record high
103°FAug 17, 1988
Record low
41°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
5.4
Daylight
14 h 18 min to 13 h 07 min
Cloud cover
49%
Humidity
72%
Dew point
63°F
Wind
7.6 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 185°F64°F101°F 198852°F 196229%0%
Aug 285°F64°F101°F 194754°F 199029%0%
Aug 385°F64°F100°F 194749°F 197629%0%
Aug 485°F64°F99°F 194750°F 197229%0%
Aug 585°F64°F98°F 194751°F 194829%0%
Aug 685°F64°F100°F 194750°F 199429%0%
Aug 785°F64°F97°F 201250°F 198928%0%
Aug 885°F64°F100°F 198848°F 197628%0%
Aug 985°F64°F96°F 200148°F 197228%0%
Aug 1085°F63°F97°F 194449°F 197228%0%
Aug 1185°F63°F96°F 198849°F 200428%0%
Aug 1285°F63°F97°F 198847°F 197928%0%
Aug 1385°F63°F96°F 194449°F 196428%0%
Aug 1485°F63°F96°F 198847°F 200428%0%
Aug 1584°F63°F102°F 198845°F 197927%0%
Aug 1684°F63°F102°F 198851°F 200427%0%
Aug 1784°F63°F103°F 198852°F 199227%0%
Aug 1884°F62°F101°F 198345°F 196327%0%
Aug 1984°F62°F100°F 198351°F 195027%0%
Aug 2084°F62°F102°F 198343°F 195027%0%
Aug 2184°F62°F99°F 198345°F 195027%0%
Aug 2284°F62°F100°F 194752°F 195027%0%
Aug 2384°F62°F101°F 194750°F 194527%0%
Aug 2484°F62°F99°F 202349°F 196626%0%
Aug 2584°F61°F97°F 198347°F 195826%0%
Aug 2684°F61°F98°F 200348°F 196426%0%
Aug 2784°F61°F99°F 202448°F 198626%0%
Aug 2884°F61°F96°F 201341°F 198626%0%
Aug 2984°F60°F96°F 198443°F 198626%0%
Aug 3083°F60°F99°F 201346°F 194626%0%
Aug 3183°F60°F96°F 194344°F 196726%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Morton, 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 5:55 AM, sunset 8:13 PM
August 31
sunrise 6:24 AM, sunset 7:31 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111836 (Congerville 2NW), public domain. Records: NOAA GHCN-Daily, station USW00014842, 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.