Union County climate

Union County Weather in October

NOAA 1991-2020 normals for Brookville, 23.7 km from Union County

Average highs run from 75°F on October 1 to 62°F on October 31, and lows from 48°F to 37°F. Normal precipitation for the month is 3.30 in over about 9 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.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
68°F
Average low
42°F
Precipitation
3.30 in
Snowfall
0.1 in
Record high
91°FOct 2, 2019
Record low
16°FOct 28, 1976
Chance of a freeze
84%
Daylight
11 h 46 min to 10 h 32 min
Cloud cover
57%
Humidity
73%
Dew point
44°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 175°F48°F90°F 201931°F 197226%0%
Oct 274°F48°F91°F 201929°F 197426%0%
Oct 374°F47°F86°F 200527°F 197426%0%
Oct 474°F47°F87°F 200728°F 198726%0%
Oct 573°F47°F88°F 200732°F 197027%0%
Oct 673°F46°F89°F 200728°F 198027%0%
Oct 772°F46°F90°F 200728°F 200127%0%
Oct 872°F45°F90°F 200729°F 200027%0%
Oct 971°F45°F85°F 201027°F 198927%0%
Oct 1071°F45°F86°F 201031°F 197628%0%
Oct 1171°F44°F85°F 201029°F 200028%0%
Oct 1270°F44°F84°F 199724°F 198828%0%
Oct 1370°F43°F84°F 197522°F 198828%0%
Oct 1469°F43°F87°F 197525°F 197928%0%
Oct 1569°F43°F83°F 200828°F 200629%0%
Oct 1668°F42°F80°F 198026°F 199129%0%
Oct 1768°F42°F82°F 201627°F 197029%0%
Oct 1868°F42°F79°F 200722°F 197629%0%
Oct 1967°F41°F78°F 201622°F 197229%0%
Oct 2067°F41°F79°F 197120°F 197229%0%
Oct 2166°F41°F80°F 197921°F 197429%0%
Oct 2266°F40°F80°F 197922°F 198730%0%
Oct 2365°F40°F77°F 199123°F 199730%0%
Oct 2465°F40°F79°F 201218°F 198130%0%
Oct 2564°F39°F78°F 201225°F 198130%1%
Oct 2664°F39°F75°F 199123°F 198830%1%
Oct 2763°F39°F80°F 201422°F 197630%1%
Oct 2863°F38°F78°F 199916°F 197631%1%
Oct 2962°F38°F79°F 199121°F 197631%1%
Oct 3062°F38°F79°F 200922°F 198031%1%
Oct 3162°F37°F79°F 200820°F 198831%1%

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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:36 AM, sunset 7:22 PM
October 31
sunrise 8:07 AM, sunset 6:39 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00121030 (Brookville), public domain. Records: NOAA GHCN-Daily, station USC00127370, 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.