Armstrong climate

Armstrong Weather in October

NOAA 1991-2020 normals for Swea City 5N, 15.3 km from Armstrong

Average highs run from 67°F on October 1 to 50°F on October 31, and lows from 41°F to 29°F. Normal precipitation for the month is 2.52 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 Armstrong, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
59°F
Average low
35°F
Precipitation
2.52 in
Snowfall
0.7 in
Record high
93°FOct 3, 1997
Record low
-5°FOct 30, 1925
Chance of a freeze
100%
Daylight
11 h 43 min to 10 h 18 min
Cloud cover
60%
Humidity
71%
Dew point
38°F
Wind
11.6 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 167°F41°F91°F 189725°F 190825%1%
Oct 266°F41°F92°F 195318°F 197425%1%
Oct 366°F41°F93°F 199722°F 197425%1%
Oct 465°F40°F90°F 189721°F 193525%1%
Oct 565°F40°F90°F 196318°F 198825%1%
Oct 664°F39°F89°F 196313°F 193524%1%
Oct 764°F39°F89°F 200718°F 201224%1%
Oct 863°F39°F86°F 199318°F 191724%1%
Oct 963°F38°F89°F 201020°F 200024%1%
Oct 1062°F38°F92°F 192818°F 193524%1%
Oct 1162°F37°F88°F 191019°F 196723%1%
Oct 1261°F37°F89°F 195617°F 191723%1%
Oct 1361°F36°F88°F 197516°F 191723%1%
Oct 1460°F36°F90°F 194718°F 191723%2%
Oct 1559°F36°F89°F 195824°F 195522%2%
Oct 1659°F35°F86°F 191018°F 194322%2%
Oct 1758°F35°F86°F 193816°F 197622%2%
Oct 1858°F34°F85°F 195012°F 202222%2%
Oct 1957°F34°F83°F 195313°F 197221%2%
Oct 2057°F34°F88°F 194715°F 196021%2%
Oct 2156°F33°F89°F 194711°F 191321%2%
Oct 2255°F33°F84°F 192717°F 189621%3%
Oct 2355°F32°F84°F 189915°F 193621%3%
Oct 2454°F32°F81°F 198914°F 202021%3%
Oct 2554°F32°F88°F 192713°F 202020%3%
Oct 2653°F31°F88°F 192715°F 199720%3%
Oct 2753°F31°F80°F 19277°F 202020%4%
Oct 2852°F30°F80°F 19227°F 192520%4%
Oct 2951°F30°F85°F 1937-2°F 192520%4%
Oct 3051°F29°F85°F 1950-5°F 192520%4%
Oct 3150°F29°F82°F 19509°F 191719%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Armstrong, 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 7:16 AM, sunset 6:59 PM
October 31
sunrise 7:52 AM, sunset 6:10 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00138026 (Swea City 5N), public domain. Records: NOAA GHCN-Daily, station USC00132724, 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.