October weather in Casper, WY
The average temperature in Casper in October is 46.9°F (33.1°F–60.7°F). Average precipitation: 1.25 inches.
October is a fall month in Casper, and is cooler than the annual average of 47.4°F. Daily temperatures swing about 27.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 48m. For travel, October is cool.
Avg High
60.7°F
Avg Low
33.1°F
Precipitation
1.25 in
Daylight
10h 48m
October records in Casper
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 82.9°F (2011) | 30.9°F (2024) | 0.33 in (2004) |
| October 2 | 86.0°F (2011) | 33.1°F (2003) | 0.28 in (2022) |
| October 3 | 84.0°F (2005) | 26.1°F (2019) | 0.40 in (2017) |
| October 4 | 84.0°F (2010) | 26.1°F (2019) | 1.52 in (2013) |
| October 5 | 82.9°F (2024) | 28.0°F (2005) | 0.73 in (2005) |
| October 6 | 80.1°F (2021) | 26.1°F (2005) | 0.75 in (2025) |
| October 7 | 81.0°F (2020) | 26.1°F (2005) | 0.29 in (2011) |
| October 8 | 80.1°F (2020) | 28.0°F (2001) | 0.03 in (2011) |
| October 9 | 81.0°F (2020) | 21.0°F (2009) | 1.27 in (2018) |
| October 10 | 82.9°F (2003) | 12.0°F (2009) | 0.46 in (2008) |
| October 11 | 82.9°F (2015) | 12.0°F (2009) | 0.42 in (2013) |
| October 12 | 77.0°F (2015) | 16.0°F (2009) | 1.11 in (2023) |
| October 13 | 73.9°F (2015) | 19.9°F (2008) | 1.05 in (2023) |
| October 14 | 77.0°F (2015) | 21.0°F (2018) | 0.03 in (2020) |
| October 15 | 75.9°F (2015) | 19.0°F (2018) | 0.34 in (2013) |
| October 16 | 75.0°F (2010) | 16.0°F (2018) | 0.36 in (2025) |
| October 17 | 77.0°F (2024) | 26.1°F (2001) | 0.35 in (2011) |
| October 18 | 78.1°F (2003) | 24.1°F (2006) | 0.69 in (2024) |
| October 19 | 77.0°F (2003) | 25.0°F (2006) | 0.20 in (2021) |
| October 20 | 77.0°F (2003) | 25.0°F (2016) | 1.05 in (2021) |
| October 21 | 77.0°F (2003) | 16.0°F (2021) | 1.30 in (2019) |
| October 22 | 78.1°F (2003) | 24.1°F (2009) | 0.48 in (2008) |
| October 23 | 81.0°F (2003) | 6.1°F (2020) | 0.60 in (2015) |
| October 24 | 80.1°F (2003) | 12.9°F (2020) | 0.12 in (2022) |
| October 25 | 75.0°F (2014) | -0.9°F (2020) | 0.15 in (2020) |
| October 26 | 77.0°F (2014) | -7.1°F (2020) | 0.45 in (2010) |
| October 27 | 72.0°F (2024) | -7.1°F (2020) | 0.18 in (2021) |
| October 28 | 73.9°F (2016) | -4.0°F (2019) | 0.26 in (2019) |
| October 29 | 73.0°F (2001) | -4.0°F (2019) | 0.15 in (2009) |
| October 30 | 70.0°F (2007) | -9.0°F (2019) | 1.49 in (2024) |
| October 31 | 71.1°F (2008) | -8.0°F (2019) | 0.70 in (2003) |