Thermopolis Weather in October
Average highs run from 72°F on October 1 to 57°F on October 31, and lows from 40°F to 28°F. Normal precipitation for the month is 1.27 in over about 5 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
- 65°F
- Average low
- 34°F
- Precipitation
- 1.27 in
- Snowfall
- 2.1 in
- Record high
- 92°FOct 3, 1917
- Record low
- -11°FOct 26, 2020
- Chance of a freeze
- 100%
- Daylight
- 11 h 43 min to 10 h 18 min
- Cloud cover
- 54%
- Humidity
- 54%
- Dew point
- 27°F
- Wind
- 8.1 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 | 72°F | 40°F | 91°F 2011 | 19°F 1920 | 17% | 1% |
| Oct 2 | 72°F | 40°F | 89°F 1992 | 22°F 1954 | 17% | 1% |
| Oct 3 | 71°F | 39°F | 92°F 1917 | 20°F 1899 | 17% | 1% |
| Oct 4 | 71°F | 39°F | 87°F 1963 | 22°F 1920 | 17% | 1% |
| Oct 5 | 70°F | 38°F | 88°F 2024 | 17°F 2013 | 17% | 1% |
| Oct 6 | 70°F | 38°F | 87°F 1958 | 21°F 1948 | 17% | 1% |
| Oct 7 | 69°F | 38°F | 88°F 2020 | 18°F 1948 | 16% | 2% |
| Oct 8 | 69°F | 37°F | 87°F 1928 | 12°F 1920 | 16% | 2% |
| Oct 9 | 68°F | 37°F | 86°F 1910 | 18°F 1909 | 16% | 2% |
| Oct 10 | 68°F | 36°F | 87°F 1910 | 16°F 2009 | 16% | 2% |
| Oct 11 | 67°F | 36°F | 85°F 1996 | 14°F 2019 | 16% | 2% |
| Oct 12 | 67°F | 35°F | 85°F 1950 | 18°F 2008 | 16% | 2% |
| Oct 13 | 66°F | 35°F | 81°F 1910 | 14°F 2008 | 15% | 2% |
| Oct 14 | 66°F | 35°F | 81°F 1918 | 15°F 1954 | 15% | 2% |
| Oct 15 | 65°F | 34°F | 85°F 2024 | 15°F 1954 | 15% | 2% |
| Oct 16 | 65°F | 34°F | 85°F 1991 | 11°F 1920 | 15% | 2% |
| Oct 17 | 64°F | 33°F | 85°F 1991 | 12°F 1925 | 15% | 2% |
| Oct 18 | 63°F | 33°F | 88°F 1940 | 9°F 1917 | 15% | 2% |
| Oct 19 | 63°F | 33°F | 90°F 2003 | 2°F 1916 | 15% | 2% |
| Oct 20 | 62°F | 32°F | 82°F 2003 | 6°F 1932 | 14% | 2% |
| Oct 21 | 62°F | 32°F | 84°F 2003 | 9°F 1932 | 14% | 3% |
| Oct 22 | 61°F | 31°F | 84°F 2003 | 6°F 1949 | 14% | 3% |
| Oct 23 | 61°F | 31°F | 84°F 2003 | 9°F 1916 | 14% | 3% |
| Oct 24 | 60°F | 31°F | 78°F 1992 | 6°F 1925 | 14% | 3% |
| Oct 25 | 60°F | 30°F | 81°F 1922 | 7°F 1920 | 14% | 3% |
| Oct 26 | 59°F | 30°F | 79°F 2014 | -11°F 2020 | 14% | 3% |
| Oct 27 | 59°F | 29°F | 77°F 1938 | 4°F 1954 | 14% | 3% |
| Oct 28 | 58°F | 29°F | 79°F 1937 | 0°F 1925 | 14% | 3% |
| Oct 29 | 58°F | 29°F | 81°F 1937 | 8°F 1991 | 14% | 4% |
| Oct 30 | 57°F | 28°F | 78°F 1950 | -6°F 2019 | 14% | 4% |
| Oct 31 | 57°F | 28°F | 78°F 1933 | 4°F 1923 | 14% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:11 AM, sunset 6:54 PM
- October 31
- sunrise 7:47 AM, sunset 6:05 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00488875 (Thermopolis), public domain. Records: NOAA GHCN-Daily, station USC00488875, 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.