Custer County Weather in October
Average highs run from 69°F on October 1 to 55°F on October 31, and lows from 40°F to 29°F. Normal precipitation for the month is 1.55 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
- 61°F
- Average low
- 34°F
- Precipitation
- 1.55 in
- Snowfall
- 2.1 in
- Record high
- 82°FOct 1, 2005
- Record low
- -10°FOct 26, 2020
- Chance of a freeze
- 100%
- Daylight
- 11 h 43 min to 10 h 18 min
- Cloud cover
- 57%
- Humidity
- 59%
- Dew point
- 30°F
- Wind
- 9.6 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 69°F | 40°F | 82°F 2005 | 26°F 1999 | 22% | 2% |
| Oct 2 | 69°F | 40°F | 82°F 2011 | 25°F 2009 | 22% | 2% |
| Oct 3 | 68°F | 39°F | 82°F 2025 | 22°F 2009 | 22% | 2% |
| Oct 4 | 68°F | 39°F | 79°F 2010 | 25°F 2013 | 22% | 2% |
| Oct 5 | 67°F | 38°F | 80°F 2021 | 15°F 2000 | 22% | 2% |
| Oct 6 | 66°F | 38°F | 76°F 1999 | 8°F 2000 | 22% | 2% |
| Oct 7 | 66°F | 38°F | 75°F 2003 | 9°F 2000 | 22% | 2% |
| Oct 8 | 65°F | 37°F | 78°F 2020 | 15°F 2000 | 22% | 3% |
| Oct 9 | 65°F | 37°F | 78°F 2003 | 3°F 2009 | 22% | 3% |
| Oct 10 | 64°F | 36°F | 81°F 2024 | -3°F 2009 | 22% | 3% |
| Oct 11 | 64°F | 36°F | 78°F 2015 | 9°F 2009 | 22% | 3% |
| Oct 12 | 63°F | 35°F | 71°F 2024 | 13°F 2006 | 22% | 3% |
| Oct 13 | 63°F | 35°F | 69°F 2015 | 17°F 2018 | 21% | 3% |
| Oct 14 | 62°F | 35°F | 75°F 2024 | 7°F 2018 | 21% | 3% |
| Oct 15 | 62°F | 34°F | 75°F 2010 | 12°F 2018 | 21% | 4% |
| Oct 16 | 61°F | 34°F | 75°F 2024 | 17°F 1999 | 21% | 4% |
| Oct 17 | 61°F | 33°F | 75°F 2023 | 17°F 1999 | 21% | 4% |
| Oct 18 | 60°F | 33°F | 76°F 2003 | 20°F 2020 | 21% | 4% |
| Oct 19 | 60°F | 33°F | 78°F 2003 | 24°F 2004 | 20% | 4% |
| Oct 20 | 59°F | 32°F | 73°F 2023 | 24°F 2006 | 20% | 4% |
| Oct 21 | 59°F | 32°F | 75°F 2003 | 22°F 2006 | 20% | 5% |
| Oct 22 | 58°F | 32°F | 77°F 2003 | 14°F 2002 | 20% | 5% |
| Oct 23 | 58°F | 31°F | 80°F 2003 | 12°F 2005 | 20% | 5% |
| Oct 24 | 58°F | 31°F | 72°F 2016 | 9°F 2020 | 20% | 5% |
| Oct 25 | 57°F | 31°F | 74°F 2007 | 0°F 2020 | 20% | 5% |
| Oct 26 | 57°F | 30°F | 71°F 1999 | -10°F 2020 | 19% | 6% |
| Oct 27 | 56°F | 30°F | 71°F 2016 | 4°F 2023 | 19% | 6% |
| Oct 28 | 56°F | 30°F | 70°F 2001 | 6°F 2019 | 19% | 6% |
| Oct 29 | 55°F | 29°F | 70°F 2008 | -3°F 2019 | 19% | 6% |
| Oct 30 | 55°F | 29°F | 67°F 2008 | -5°F 2019 | 18% | 6% |
| Oct 31 | 55°F | 29°F | 70°F 1999 | 2°F 2006 | 18% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 6:52 AM, sunset 6:35 PM
- October 31
- sunrise 7:28 AM, sunset 5:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00399347 (Wind Cave), public domain. Records: NOAA GHCN-Daily, station USW00094032, 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.