De Kalb climate

De Kalb Weather in October

NOAA 1991-2020 normals for Dekalb, 3.3 km from De Kalb

Average highs run from 83°F on October 1 to 72°F on October 31, and lows from 57°F to 45°F. Normal precipitation for the month is 5.32 in over about 5 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at De Kalb, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
77°F
Average low
51°F
Precipitation
5.32 in
Record high
101°FOct 1, 1938
Record low
23°FOct 31, 1993
Chance of a freeze
28%
Days of 90°F or more
2.0
Daylight
11 h 50 min to 10 h 51 min
Cloud cover
45%
Humidity
70%
Dew point
53°F
Wind
6.9 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
Oct 183°F57°F101°F 193834°F 198415%0%
Oct 283°F57°F95°F 197736°F 193915%0%
Oct 382°F56°F95°F 191137°F 201115%0%
Oct 482°F56°F97°F 196336°F 201015%0%
Oct 582°F55°F94°F 193736°F 197915%0%
Oct 681°F55°F96°F 193932°F 193215%0%
Oct 781°F54°F96°F 202438°F 195215%0%
Oct 881°F54°F95°F 196332°F 195216%0%
Oct 980°F54°F95°F 196327°F 201216%0%
Oct 1080°F53°F95°F 193132°F 197916%0%
Oct 1179°F53°F94°F 195332°F 200016%0%
Oct 1279°F52°F94°F 196332°F 194616%0%
Oct 1379°F52°F94°F 196333°F 194616%0%
Oct 1478°F51°F94°F 196335°F 194617%0%
Oct 1578°F51°F93°F 201535°F 193717%0%
Oct 1677°F51°F94°F 201529°F 195217%0%
Oct 1777°F50°F91°F 197230°F 202417%0%
Oct 1877°F50°F91°F 193228°F 194818%0%
Oct 1976°F49°F90°F 194025°F 202218%0%
Oct 2076°F49°F90°F 194026°F 201118%0%
Oct 2176°F49°F90°F 193527°F 201118%0%
Oct 2275°F48°F90°F 193431°F 197618%0%
Oct 2375°F48°F91°F 200328°F 195219%0%
Oct 2474°F47°F89°F 202425°F 193819%0%
Oct 2574°F47°F92°F 193129°F 195519%0%
Oct 2674°F47°F90°F 194428°F 195719%0%
Oct 2773°F46°F90°F 193926°F 195719%0%
Oct 2873°F46°F86°F 192724°F 195720%0%
Oct 2972°F46°F88°F 191524°F 195220%0%
Oct 3072°F45°F90°F 193725°F 198020%0%
Oct 3172°F45°F88°F 193423°F 199320%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at De Kalb, 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 (CDT).

October 1
sunrise 7:13 AM, sunset 7:03 PM
October 31
sunrise 7:36 AM, sunset 6:27 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412352 (Dekalb), public domain. Records: NOAA GHCN-Daily, station USC00344451, 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.