Union climate

Union Weather in October

NOAA 1991-2020 normals for Newton Exp Stn, 26.3 km from Union

Average highs run from 85°F on October 1 to 74°F on October 31, and lows from 57°F to 44°F. Normal precipitation for the month is 3.83 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, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
80°F
Average low
50°F
Precipitation
3.83 in
Record high
97°FOct 1, 1926
Record low
24°FOct 31, 1917
Chance of a freeze
43%
Days of 90°F or more
2.2
Daylight
11 h 50 min to 10 h 54 min
Cloud cover
43%
Humidity
72%
Dew point
54°F
Wind
4.0 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 185°F57°F97°F 192638°F 192021%0%
Oct 285°F56°F95°F 189736°F 192021%0%
Oct 385°F56°F96°F 189734°F 197421%0%
Oct 484°F55°F95°F 191135°F 197421%0%
Oct 584°F55°F97°F 191138°F 198721%0%
Oct 684°F54°F96°F 191138°F 193221%0%
Oct 783°F54°F97°F 192535°F 193521%0%
Oct 883°F54°F94°F 192837°F 199121%0%
Oct 983°F53°F94°F 192835°F 192121%0%
Oct 1082°F53°F97°F 200935°F 189221%0%
Oct 1182°F52°F93°F 192832°F 190622%0%
Oct 1281°F52°F90°F 192835°F 193222%0%
Oct 1381°F51°F91°F 189232°F 191722%0%
Oct 1481°F51°F94°F 189235°F 197922%0%
Oct 1580°F50°F93°F 189233°F 193722%0%
Oct 1680°F50°F94°F 189234°F 194322%0%
Oct 1779°F49°F95°F 189233°F 194322%0%
Oct 1879°F49°F93°F 189229°F 194822%0%
Oct 1979°F48°F93°F 189229°F 194823%0%
Oct 2078°F48°F92°F 189228°F 198923%0%
Oct 2178°F48°F93°F 189229°F 198923%0%
Oct 2277°F47°F93°F 189229°F 191623%0%
Oct 2377°F47°F90°F 193932°F 189823%0%
Oct 2477°F46°F89°F 189426°F 191724%0%
Oct 2576°F46°F89°F 189930°F 191724%0%
Oct 2676°F46°F89°F 189926°F 189224%0%
Oct 2775°F45°F89°F 193930°F 194224%0%
Oct 2875°F45°F86°F 190028°F 189225%0%
Oct 2975°F44°F87°F 192728°F 191025%0%
Oct 3074°F44°F87°F 192727°F 191025%0%
Oct 3174°F44°F86°F 198424°F 191725%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union, 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 6:51 AM, sunset 6:41 PM
October 31
sunrise 7:13 AM, sunset 6:07 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00226308 (Newton Exp Stn), public domain. Records: NOAA GHCN-Daily, station USC00225247, 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.