Fergus County climate

Fergus County Weather in October

NOAA 1991-2020 normals for Lewistown 11ESE, 28.6 km from Fergus County

Average highs run from 60°F on October 1 to 45°F on October 31, and lows from 40°F to 29°F. Normal precipitation for the month is 1.54 in.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Fergus County, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
53°F
Average low
34°F
Precipitation
1.54 in
Snowfall
1.9 in
Record high
92°FOct 4, 1905
Record low
-10°FOct 30, 1935
Chance of a freeze
100%
Daylight
11 h 40 min to 10 h 02 min
Cloud cover
65%
Humidity
59%
Dew point
31°F
Wind
11.9 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 160°F40°F90°F 201115°F 19501%
Oct 260°F40°F88°F 192212°F 19501%
Oct 359°F39°F87°F 192217°F 19501%
Oct 459°F39°F92°F 190511°F 19161%
Oct 558°F39°F87°F 190512°F 19162%
Oct 658°F38°F83°F 193412°F 20002%
Oct 757°F38°F86°F 194316°F 19852%
Oct 857°F38°F84°F 19808°F 19852%
Oct 956°F37°F84°F 1911-1°F 19852%
Oct 1056°F37°F86°F 20153°F 20192%
Oct 1155°F36°F90°F 193410°F 20192%
Oct 1255°F36°F87°F 19347°F 20093%
Oct 1354°F36°F84°F 19647°F 19693%
Oct 1454°F35°F82°F 192910°F 19693%
Oct 1553°F35°F87°F 192414°F 19763%
Oct 1652°F35°F85°F 19279°F 19303%
Oct 1752°F34°F83°F 19275°F 19303%
Oct 1851°F34°F82°F 19271°F 19054%
Oct 1951°F33°F82°F 1927-4°F 19054%
Oct 2050°F33°F84°F 192710°F 19164%
Oct 2150°F33°F81°F 19279°F 19814%
Oct 2249°F32°F80°F 19153°F 19574%
Oct 2349°F32°F81°F 19033°F 19574%
Oct 2448°F31°F82°F 2007-4°F 20205%
Oct 2548°F31°F80°F 1924-8°F 19235%
Oct 2647°F31°F81°F 1944-5°F 20205%
Oct 2747°F30°F75°F 1944-5°F 20235%
Oct 2846°F30°F78°F 1937-10°F 20235%
Oct 2946°F29°F79°F 1968-7°F 19916%
Oct 3046°F29°F75°F 1906-10°F 19356%
Oct 3145°F29°F73°F 1949-8°F 20026%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fergus County, in percent, and of at least 0.1 inch of snowfall.02461102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 7:16 AM, sunset 6:56 PM
October 31
sunrise 7:59 AM, sunset 6:01 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244979 (Lewistown 11ESE), public domain. Records: NOAA GHCN-Daily, station USW00024036, 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.