Garrison climate

Garrison Weather in October

NOAA 1991-2020 normals for Garrison, 0.3 km from Garrison

Average highs run from 64°F on October 1 to 46°F on October 31, and lows from 40°F to 26°F. Normal precipitation for the month is 1.29 in over about 6 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 Garrison, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
55°F
Average low
33°F
Precipitation
1.29 in
Snowfall
2.5 in
Record high
89°FOct 1, 2005
Record low
-1°FOct 31, 2023
Chance of a freeze
100%
Daylight
11 h 40 min to 10 h 01 min
Cloud cover
65%
Humidity
67%
Dew point
32°F
Wind
12.3 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 164°F40°F89°F 200522°F 199920%1%
Oct 263°F40°F88°F 201117°F 199920%1%
Oct 363°F39°F88°F 202525°F 201420%1%
Oct 462°F39°F87°F 202117°F 200420%1%
Oct 562°F38°F89°F 202119°F 200020%2%
Oct 661°F38°F86°F 202113°F 200520%2%
Oct 761°F37°F84°F 200317°F 200020%2%
Oct 860°F37°F83°F 202424°F 200920%2%
Oct 959°F36°F85°F 200323°F 200920%2%
Oct 1059°F36°F85°F 201522°F 200920%2%
Oct 1158°F36°F78°F 201022°F 200620%3%
Oct 1258°F35°F67°F 200421°F 201820%3%
Oct 1357°F35°F68°F 200520°F 201720%3%
Oct 1456°F34°F68°F 201016°F 201820%3%
Oct 1556°F34°F77°F 201217°F 201820%3%
Oct 1655°F33°F70°F 200513°F 200420%3%
Oct 1754°F33°F77°F 200319°F 199920%4%
Oct 1854°F32°F78°F 200323°F 202020%4%
Oct 1953°F32°F82°F 200321°F 201120%4%
Oct 2053°F31°F79°F 201719°F 201820%4%
Oct 2152°F31°F79°F 200318°F 200220%4%
Oct 2251°F30°F71°F 199813°F 202020%5%
Oct 2351°F30°F72°F 19989°F 202021%5%
Oct 2450°F29°F74°F 200718°F 202021%5%
Oct 2550°F29°F74°F 200713°F 202021%5%
Oct 2649°F28°F69°F 201412°F 200121%5%
Oct 2748°F28°F71°F 202410°F 202321%5%
Oct 2848°F28°F65°F 20169°F 202320%6%
Oct 2947°F27°F74°F 200810°F 200220%6%
Oct 3047°F27°F65°F 20084°F 200220%6%
Oct 3146°F26°F76°F 1999-1°F 202320%6%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Garrison, 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 7:45 AM, sunset 7:25 PM
October 31
sunrise 8:28 AM, sunset 6:29 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00323376 (Garrison), public domain. Records: NOAA GHCN-Daily, station USW00094041, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.