Custer County Weather in October
Average highs run from 71°F on October 1 to 54°F on October 31, and lows from 37°F to 24°F. Normal precipitation for the month is 1.04 in over about 7 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 62°F
- Average low
- 30°F
- Precipitation
- 1.04 in
- Snowfall
- 1.6 in
- Record high
- 95°FOct 1, 2011
- Record low
- -8°FOct 30, 1991
- Chance of a freeze
- 100%
- Daylight
- 11 h 41 min to 10 h 07 min
- Cloud cover
- 62%
- Humidity
- 60%
- Dew point
- 32°F
- Wind
- 11.2 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 71°F | 37°F | 95°F 2011 | 23°F 2004 | 23% | 1% |
| Oct 2 | 71°F | 36°F | 95°F 1997 | 28°F 1999 | 24% | 2% |
| Oct 3 | 70°F | 36°F | 90°F 1992 | 23°F 1999 | 24% | 2% |
| Oct 4 | 69°F | 36°F | 93°F 1963 | 25°F 2017 | 24% | 2% |
| Oct 5 | 69°F | 35°F | 90°F 2021 | 15°F 1952 | 24% | 2% |
| Oct 6 | 68°F | 35°F | 88°F 1960 | 14°F 1952 | 24% | 2% |
| Oct 7 | 68°F | 34°F | 88°F 1980 | 21°F 2000 | 23% | 2% |
| Oct 8 | 67°F | 34°F | 86°F 1980 | 19°F 1985 | 23% | 2% |
| Oct 9 | 66°F | 34°F | 90°F 1955 | 20°F 1985 | 23% | 2% |
| Oct 10 | 66°F | 33°F | 91°F 2015 | 19°F 1959 | 23% | 3% |
| Oct 11 | 65°F | 33°F | 89°F 1995 | 18°F 1959 | 23% | 3% |
| Oct 12 | 64°F | 32°F | 84°F 1958 | 19°F 2006 | 23% | 3% |
| Oct 13 | 64°F | 32°F | 84°F 1964 | 19°F 2019 | 23% | 3% |
| Oct 14 | 63°F | 31°F | 84°F 1958 | 20°F 2018 | 23% | 3% |
| Oct 15 | 63°F | 31°F | 83°F 1958 | 20°F 1976 | 23% | 3% |
| Oct 16 | 62°F | 30°F | 90°F 1991 | 19°F 1976 | 23% | 4% |
| Oct 17 | 61°F | 30°F | 84°F 2003 | 18°F 1948 | 23% | 4% |
| Oct 18 | 61°F | 30°F | 82°F 1955 | 21°F 1968 | 22% | 4% |
| Oct 19 | 60°F | 29°F | 86°F 1947 | 15°F 1976 | 22% | 4% |
| Oct 20 | 60°F | 29°F | 82°F 2003 | 13°F 1987 | 22% | 4% |
| Oct 21 | 59°F | 28°F | 84°F 2003 | 19°F 1949 | 22% | 4% |
| Oct 22 | 58°F | 28°F | 78°F 1954 | 9°F 2020 | 22% | 5% |
| Oct 23 | 58°F | 27°F | 77°F 1948 | 7°F 2020 | 22% | 5% |
| Oct 24 | 57°F | 27°F | 83°F 2007 | 10°F 1942 | 21% | 5% |
| Oct 25 | 57°F | 27°F | 79°F 2017 | 1°F 2020 | 21% | 5% |
| Oct 26 | 56°F | 26°F | 82°F 1960 | -3°F 2020 | 21% | 5% |
| Oct 27 | 56°F | 26°F | 79°F 1983 | -3°F 2023 | 21% | 6% |
| Oct 28 | 55°F | 25°F | 82°F 1937 | -2°F 2023 | 21% | 6% |
| Oct 29 | 55°F | 25°F | 76°F 1950 | -2°F 1991 | 21% | 6% |
| Oct 30 | 54°F | 24°F | 78°F 1950 | -8°F 1991 | 20% | 6% |
| Oct 31 | 54°F | 24°F | 82°F 1999 | 0°F 1984 | 20% | 6% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:01 AM, sunset 6:42 PM
- October 31
- sunrise 7:42 AM, sunset 5:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00245754 (Mizpah 4 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00024037, 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.