Union County climate

Union County Weather in October

NOAA 1991-2020 normals for Jt Myers Locks & Dam, 15.7 km from Union County

Average highs run from 76°F on October 1 to 63°F on October 31, and lows from 54°F to 41°F. Normal precipitation for the month is 3.28 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 Union County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
70°F
Average low
47°F
Precipitation
3.28 in
Record high
97°FOct 3, 2019
Record low
21°FOct 25, 2006
Chance of a freeze
54%
Days of 90°F or more
0.6
Daylight
11 h 48 min to 10 h 38 min
Cloud cover
51%
Humidity
70%
Dew point
47°F
Wind
8.7 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 176°F54°F96°F 201934°F 200621%0%
Oct 276°F53°F95°F 201935°F 200321%0%
Oct 375°F53°F97°F 201932°F 200422%0%
Oct 475°F52°F95°F 200531°F 198722%0%
Oct 575°F52°F91°F 200628°F 198022%0%
Oct 674°F52°F91°F 201831°F 198022%0%
Oct 774°F51°F91°F 200732°F 200022%0%
Oct 873°F51°F94°F 200731°F 198722%0%
Oct 973°F50°F93°F 200731°F 200023%0%
Oct 1073°F50°F89°F 201029°F 200023%0%
Oct 1172°F50°F90°F 201029°F 200023%0%
Oct 1272°F49°F90°F 201033°F 198723%0%
Oct 1371°F49°F87°F 198928°F 198824%0%
Oct 1471°F48°F84°F 199928°F 197924%0%
Oct 1570°F48°F85°F 202132°F 200624%0%
Oct 1670°F47°F86°F 200831°F 199124%0%
Oct 1769°F47°F89°F 199828°F 198225%0%
Oct 1869°F47°F86°F 201629°F 201525%0%
Oct 1968°F46°F87°F 200730°F 199225%0%
Oct 2068°F46°F92°F 200528°F 202225%0%
Oct 2167°F45°F88°F 197926°F 198225%0%
Oct 2267°F45°F85°F 197924°F 198225%0%
Oct 2366°F45°F84°F 202025°F 198226%0%
Oct 2466°F44°F83°F 200024°F 198226%0%
Oct 2565°F44°F83°F 200021°F 200626%0%
Oct 2665°F43°F83°F 200023°F 198226%0%
Oct 2765°F43°F82°F 200025°F 198226%0%
Oct 2864°F42°F81°F 200026°F 199727%0%
Oct 2964°F42°F83°F 199926°F 200527%0%
Oct 3063°F42°F86°F 198721°F 200527%0%
Oct 3163°F41°F85°F 198723°F 200527%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union County, 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).

October 1
sunrise 6:47 AM, sunset 6:35 PM
October 31
sunrise 7:16 AM, sunset 5:54 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128967 (Jt Myers Locks & Dam), public domain. Records: NOAA GHCN-Daily, station USC00156595, 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.