Casper Weather in October
Average highs run from 68°F on October 1 to 54°F on October 31, and lows from 38°F to 29°F. Normal precipitation for the month is 1.25 in over about 6 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
- 33°F
- Precipitation
- 1.25 in
- Snowfall
- 7.0 in
- Record high
- 87°FOct 1, 1992
- Record low
- -9°FOct 29, 2019
- Chance of a freeze
- 100%
- Daylight
- 11 h 43 min to 10 h 21 min
- Cloud cover
- 55%
- Humidity
- 54%
- Dew point
- 27°F
- Wind
- 11.6 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 | 68°F | 38°F | 87°F 1992 | 20°F 1985 | 20% | 7% |
| Oct 2 | 68°F | 38°F | 86°F 1992 | 15°F 1950 | 20% | 7% |
| Oct 3 | 67°F | 37°F | 86°F 2010 | 22°F 2009 | 20% | 8% |
| Oct 4 | 67°F | 37°F | 85°F 2024 | 22°F 1964 | 20% | 8% |
| Oct 5 | 66°F | 37°F | 87°F 1993 | 19°F 1964 | 19% | 8% |
| Oct 6 | 66°F | 36°F | 84°F 1975 | 14°F 1952 | 19% | 9% |
| Oct 7 | 65°F | 36°F | 83°F 1979 | 14°F 1970 | 19% | 9% |
| Oct 8 | 64°F | 36°F | 81°F 2020 | 12°F 1970 | 19% | 9% |
| Oct 9 | 64°F | 35°F | 83°F 2003 | 12°F 2009 | 19% | 10% |
| Oct 10 | 63°F | 35°F | 85°F 2015 | 11°F 2009 | 19% | 10% |
| Oct 11 | 63°F | 34°F | 84°F 1996 | 16°F 2009 | 19% | 10% |
| Oct 12 | 62°F | 34°F | 81°F 1991 | 9°F 1969 | 18% | 10% |
| Oct 13 | 62°F | 34°F | 80°F 1958 | 9°F 1969 | 18% | 10% |
| Oct 14 | 61°F | 34°F | 80°F 1958 | 9°F 1969 | 18% | 11% |
| Oct 15 | 61°F | 33°F | 80°F 1958 | 17°F 2018 | 18% | 11% |
| Oct 16 | 60°F | 33°F | 83°F 1991 | 18°F 1992 | 18% | 11% |
| Oct 17 | 60°F | 33°F | 79°F 2003 | 19°F 1948 | 17% | 11% |
| Oct 18 | 60°F | 32°F | 78°F 2003 | 16°F 2006 | 17% | 12% |
| Oct 19 | 59°F | 32°F | 79°F 2003 | 17°F 1949 | 17% | 12% |
| Oct 20 | 59°F | 32°F | 77°F 1992 | 15°F 1949 | 17% | 12% |
| Oct 21 | 58°F | 31°F | 79°F 1992 | 12°F 1949 | 17% | 12% |
| Oct 22 | 58°F | 31°F | 80°F 2003 | 9°F 2020 | 17% | 13% |
| Oct 23 | 57°F | 31°F | 81°F 2003 | -5°F 2020 | 17% | 13% |
| Oct 24 | 57°F | 31°F | 77°F 1992 | 10°F 2020 | 17% | 13% |
| Oct 25 | 57°F | 30°F | 77°F 2014 | -8°F 2020 | 17% | 14% |
| Oct 26 | 56°F | 30°F | 74°F 1977 | -6°F 2020 | 17% | 14% |
| Oct 27 | 56°F | 30°F | 74°F 1983 | -4°F 2019 | 17% | 14% |
| Oct 28 | 55°F | 30°F | 75°F 1990 | -2°F 2019 | 16% | 14% |
| Oct 29 | 55°F | 30°F | 75°F 1968 | -9°F 2019 | 16% | 15% |
| Oct 30 | 55°F | 29°F | 75°F 1950 | -9°F 2019 | 16% | 15% |
| Oct 31 | 54°F | 29°F | 70°F 2008 | 2°F 1972 | 16% | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:03 AM, sunset 6:46 PM
- October 31
- sunrise 7:38 AM, sunset 5:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00481569 (Casper Wwtp), public domain. Records: NOAA GHCN-Daily, station USW00024089, 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.