Jefferson County climate

Jefferson County Weather in October

NOAA 1991-2020 normals for Fairbury 5S, 11.5 km from Jefferson County

Average highs run from 74°F on October 1 to 60°F on October 31, and lows from 47°F to 34°F. Normal precipitation for the month is 2.39 in over about 7 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 Jefferson County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
67°F
Average low
40°F
Precipitation
2.39 in
Snowfall
0.4 in
Record high
95°FOct 1, 1994
Record low
13°FOct 27, 1997
Chance of a freeze
96%
Days of 90°F or more
0.5
Daylight
11 h 46 min to 10 h 30 min
Cloud cover
52%
Humidity
66%
Dew point
41°F
Wind
11.4 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
Oct 174°F47°F95°F 199424°F 198524%0%
Oct 273°F46°F93°F 200224°F 198523%0%
Oct 373°F46°F91°F 200528°F 198723%0%
Oct 473°F46°F92°F 199729°F 199923%0%
Oct 572°F45°F92°F 201128°F 199923%0%
Oct 672°F45°F89°F 200726°F 200023%0%
Oct 771°F44°F89°F 199722°F 200023%0%
Oct 871°F44°F84°F 199318°F 200023%1%
Oct 970°F43°F90°F 201032°F 198823%1%
Oct 1070°F43°F82°F 199122°F 200022%1%
Oct 1169°F42°F82°F 199523°F 198722%1%
Oct 1269°F42°F87°F 198926°F 200922%1%
Oct 1368°F42°F89°F 199522°F 200622%1%
Oct 1468°F41°F88°F 198922°F 200622%1%
Oct 1568°F41°F86°F 198925°F 200621%1%
Oct 1667°F40°F85°F 198929°F 198621%1%
Oct 1767°F40°F85°F 199027°F 200421%1%
Oct 1866°F39°F87°F 199128°F 198920%1%
Oct 1966°F39°F86°F 200522°F 200620%1%
Oct 2065°F38°F82°F 200020°F 198920%1%
Oct 2165°F38°F85°F 200317°F 198720%1%
Oct 2264°F38°F84°F 199922°F 198720%1%
Oct 2364°F37°F86°F 200320°F 200620%1%
Oct 2463°F37°F87°F 199121°F 199919%2%
Oct 2563°F36°F83°F 201121°F 199919%2%
Oct 2662°F36°F81°F 198924°F 199419%2%
Oct 2762°F35°F78°F 199913°F 199719%2%
Oct 2861°F35°F85°F 199917°F 198819%2%
Oct 2961°F35°F80°F 200421°F 200819%2%
Oct 3060°F34°F80°F 199018°F 199119%2%
Oct 3160°F34°F77°F 199013°F 199319%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

October 1
sunrise 7:25 AM, sunset 7:11 PM
October 31
sunrise 7:57 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 USC00252820 (Fairbury 5S), public domain. Records: NOAA GHCN-Daily, station USC00250622, 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.