Butte climate

Butte Weather in October

NOAA 1991-2020 normals for Butte Bert Mooney AP, 5.1 km from Butte

Average highs run from 62°F on October 1 to 47°F on October 31, and lows from 32°F to 21°F. Normal precipitation for the month is 0.84 in over about 8 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 Butte, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
54°F
Average low
27°F
Precipitation
0.84 in
Snowfall
0.9 in
Record high
85°FOct 3, 2010
Record low
-23°FOct 30, 1991
Chance of a freeze
100%
Daylight
11 h 41 min to 10 h 08 min
Cloud cover
64%
Humidity
67%
Dew point
26°F
Wind
5.8 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 162°F32°F83°F 199212°F 195025%1%
Oct 261°F32°F83°F 201015°F 195025%1%
Oct 361°F32°F85°F 201014°F 191625%1%
Oct 460°F31°F82°F 202415°F 197325%1%
Oct 560°F31°F79°F 190212°F 200125%1%
Oct 659°F30°F79°F 193311°F 197425%1%
Oct 759°F30°F79°F 198010°F 199025%2%
Oct 858°F30°F80°F 197611°F 198525%2%
Oct 958°F29°F79°F 19427°F 201925%2%
Oct 1057°F29°F80°F 19346°F 198525%2%
Oct 1157°F29°F83°F 19343°F 201926%2%
Oct 1256°F28°F78°F 19646°F 200926%2%
Oct 1356°F28°F77°F 196410°F 200826%2%
Oct 1455°F28°F79°F 195810°F 195226%2%
Oct 1555°F27°F76°F 199115°F 195226%2%
Oct 1654°F27°F78°F 19277°F 194626%2%
Oct 1754°F27°F75°F 19558°F 199626%2%
Oct 1853°F26°F76°F 20035°F 190526%2%
Oct 1953°F26°F75°F 20238°F 190526%2%
Oct 2052°F25°F77°F 192710°F 194326%2%
Oct 2152°F25°F75°F 20039°F 199626%2%
Oct 2251°F25°F79°F 200313°F 195726%2%
Oct 2351°F24°F72°F 19998°F 191926%2%
Oct 2450°F24°F72°F 20070°F 191926%2%
Oct 2550°F24°F71°F 1990-15°F 202026%2%
Oct 2650°F23°F75°F 1944-18°F 202026%2%
Oct 2749°F23°F70°F 19442°F 202326%2%
Oct 2849°F22°F75°F 19371°F 197126%2%
Oct 2948°F22°F71°F 1937-10°F 201926%2%
Oct 3048°F22°F69°F 1987-23°F 199126%2%
Oct 3147°F21°F66°F 2008-11°F 200226%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Butte, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 7:29 AM, sunset 7:10 PM
October 31
sunrise 8:09 AM, sunset 6:17 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024135 (Butte Bert Mooney AP), public domain. Records: NOAA GHCN-Daily, station USW00024135, 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.