Stanley County climate

Stanley County Weather in October

NOAA 1991-2020 normals for Ft Pierre 17 Wsw, 19.6 km from Stanley County

Average highs run from 71°F on October 1 to 54°F on October 31, and lows from 42°F to 28°F. Normal precipitation for the month is 1.67 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 Stanley County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
62°F
Average low
35°F
Precipitation
1.67 in
Snowfall
1.0 in
Record high
98°FOct 2, 1997
Record low
2°FOct 27, 2020
Chance of a freeze
100%
Days of 90°F or more
0.9
Daylight
11 h 42 min to 10 h 14 min
Cloud cover
58%
Humidity
64%
Dew point
35°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 171°F42°F96°F 195325°F 198519%1%
Oct 271°F42°F98°F 199725°F 199919%1%
Oct 370°F41°F96°F 193828°F 195020%1%
Oct 470°F41°F95°F 201125°F 198820%1%
Oct 569°F40°F94°F 194724°F 195220%1%
Oct 668°F40°F98°F 199319°F 201220%1%
Oct 768°F39°F91°F 197520°F 200020%1%
Oct 867°F39°F92°F 198018°F 200020%2%
Oct 966°F39°F89°F 200322°F 195920%2%
Oct 1066°F38°F93°F 195519°F 198719%2%
Oct 1165°F38°F95°F 201516°F 200919%2%
Oct 1265°F37°F93°F 195621°F 194619%2%
Oct 1364°F37°F90°F 196218°F 197919%2%
Oct 1463°F36°F90°F 196220°F 193719%2%
Oct 1563°F36°F90°F 195822°F 201819%3%
Oct 1662°F35°F90°F 199120°F 197619%3%
Oct 1762°F35°F90°F 202415°F 194819%3%
Oct 1861°F34°F90°F 200017°F 202219%3%
Oct 1961°F34°F87°F 194717°F 196019%3%
Oct 2060°F33°F92°F 194719°F 201118%3%
Oct 2159°F33°F93°F 194714°F 198718%4%
Oct 2259°F32°F85°F 199218°F 198118%4%
Oct 2358°F32°F85°F 197315°F 198118%4%
Oct 2458°F31°F84°F 198915°F 198718%4%
Oct 2557°F31°F88°F 194012°F 202018%4%
Oct 2657°F30°F83°F 19663°F 202018%5%
Oct 2756°F30°F90°F 19382°F 202018%5%
Oct 2856°F29°F87°F 193715°F 195217%5%
Oct 2955°F29°F92°F 19339°F 199117%5%
Oct 3055°F28°F88°F 19506°F 199117%5%
Oct 3154°F28°F85°F 19904°F 199117%6%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stanley County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 6:41 AM, sunset 6:23 PM
October 31
sunrise 7:19 AM, sunset 5:33 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00393076 (Ft Pierre 17 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00024025, 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.