Valley County climate

Valley County Weather in October

NOAA 1991-2020 normals for St Marie, 12.3 km from Valley County

Average highs run from 65°F on October 1 to 48°F on October 31, and lows from 39°F to 27°F. Normal precipitation for the month is 0.95 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 Valley County, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
57°F
Average low
33°F
Precipitation
0.95 in
Snowfall
1.5 in
Record high
92°FOct 10, 1955
Record low
-6°FOct 30, 1991
Chance of a freeze
100%
Daylight
11 h 39 min to 9 h 58 min
Cloud cover
64%
Humidity
65%
Dew point
30°F
Wind
11.4 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 165°F39°F90°F 199218°F 200419%2%
Oct 265°F39°F88°F 199719°F 199919%2%
Oct 364°F39°F90°F 198717°F 199919%3%
Oct 463°F38°F88°F 197018°F 200019%3%
Oct 563°F38°F90°F 202116°F 200019%3%
Oct 662°F37°F83°F 198013°F 200019%3%
Oct 762°F37°F85°F 195418°F 200018%3%
Oct 861°F36°F86°F 198012°F 198518%3%
Oct 961°F36°F84°F 200410°F 198518%4%
Oct 1060°F36°F92°F 195516°F 198518%4%
Oct 1159°F35°F86°F 199514°F 195918%4%
Oct 1259°F35°F84°F 195817°F 200617%4%
Oct 1358°F34°F88°F 196418°F 200617%4%
Oct 1458°F34°F83°F 196422°F 199217%5%
Oct 1557°F33°F83°F 196119°F 199217%5%
Oct 1657°F33°F86°F 199118°F 199217%5%
Oct 1756°F33°F82°F 200314°F 194816%5%
Oct 1855°F32°F84°F 200315°F 199116%6%
Oct 1955°F32°F83°F 200313°F 196016%6%
Oct 2054°F31°F80°F 202212°F 198716%6%
Oct 2154°F31°F85°F 200313°F 200216%6%
Oct 2253°F31°F76°F 19630°F 202015%7%
Oct 2353°F30°F75°F 1948-4°F 202015%7%
Oct 2452°F30°F79°F 200713°F 202015%7%
Oct 2551°F29°F80°F 19904°F 202015%7%
Oct 2651°F29°F78°F 1983-2°F 202015%8%
Oct 2750°F28°F78°F 20014°F 202314%8%
Oct 2850°F28°F78°F 19900°F 199114%8%
Oct 2949°F28°F77°F 2021-2°F 199114%9%
Oct 3048°F27°F83°F 1950-6°F 199114%9%
Oct 3148°F27°F79°F 1999-5°F 198413%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Valley 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 7:06 AM, sunset 6:45 PM
October 31
sunrise 7:51 AM, sunset 5:49 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094010 (St Marie), public domain. Records: NOAA GHCN-Daily, station USW00094008, 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.