Green River Weather in October
Average highs run from 69°F on October 1 to 52°F on October 31, and lows from 36°F to 25°F. Normal precipitation for the month is 1.04 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
- 30°F
- Precipitation
- 1.04 in
- Snowfall
- 2.4 in
- Record high
- 83°FOct 23, 2007
- Record low
- -10°FOct 26, 2020
- Chance of a freeze
- 100%
- Daylight
- 11 h 44 min to 10 h 25 min
- Cloud cover
- 49%
- Humidity
- 52%
- Dew point
- 25°F
- Wind
- 10.1 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 | 69°F | 36°F | 79°F 1957 | 23°F 1985 | 21% | 2% |
| Oct 2 | 69°F | 36°F | 78°F 2010 | 21°F 1958 | 21% | 2% |
| Oct 3 | 68°F | 35°F | 80°F 2010 | 22°F 2019 | 21% | 2% |
| Oct 4 | 68°F | 35°F | 82°F 2024 | 22°F 2012 | 21% | 2% |
| Oct 5 | 67°F | 35°F | 76°F 1975 | 19°F 2013 | 21% | 2% |
| Oct 6 | 66°F | 34°F | 78°F 1975 | 19°F 2000 | 21% | 3% |
| Oct 7 | 66°F | 34°F | 78°F 1956 | 20°F 1970 | 21% | 3% |
| Oct 8 | 65°F | 33°F | 76°F 2020 | 20°F 1970 | 21% | 3% |
| Oct 9 | 65°F | 33°F | 79°F 2003 | 15°F 2009 | 20% | 3% |
| Oct 10 | 64°F | 33°F | 78°F 2024 | 12°F 2019 | 20% | 3% |
| Oct 11 | 64°F | 32°F | 77°F 2024 | 13°F 2019 | 20% | 3% |
| Oct 12 | 63°F | 32°F | 76°F 1950 | 9°F 1969 | 20% | 4% |
| Oct 13 | 63°F | 32°F | 74°F 2015 | 6°F 1969 | 20% | 4% |
| Oct 14 | 62°F | 31°F | 76°F 1950 | 16°F 1966 | 20% | 4% |
| Oct 15 | 61°F | 31°F | 75°F 2011 | 9°F 1966 | 20% | 4% |
| Oct 16 | 61°F | 30°F | 76°F 1991 | 14°F 1966 | 19% | 4% |
| Oct 17 | 60°F | 30°F | 75°F 1974 | 13°F 1948 | 19% | 5% |
| Oct 18 | 60°F | 30°F | 75°F 2003 | 18°F 1976 | 19% | 5% |
| Oct 19 | 59°F | 29°F | 74°F 1974 | 13°F 1976 | 19% | 5% |
| Oct 20 | 58°F | 29°F | 76°F 1974 | 13°F 1984 | 19% | 5% |
| Oct 21 | 58°F | 28°F | 77°F 2003 | 13°F 1984 | 19% | 5% |
| Oct 22 | 57°F | 28°F | 77°F 2003 | 14°F 2020 | 19% | 6% |
| Oct 23 | 57°F | 28°F | 83°F 2007 | 10°F 2020 | 18% | 6% |
| Oct 24 | 56°F | 27°F | 82°F 2007 | 9°F 2020 | 18% | 6% |
| Oct 25 | 56°F | 27°F | 72°F 2007 | -5°F 2020 | 18% | 6% |
| Oct 26 | 55°F | 26°F | 72°F 1977 | -10°F 2020 | 18% | 6% |
| Oct 27 | 54°F | 26°F | 77°F 2007 | 5°F 1996 | 18% | 7% |
| Oct 28 | 54°F | 26°F | 67°F 1968 | 3°F 2019 | 18% | 7% |
| Oct 29 | 53°F | 25°F | 72°F 2007 | -3°F 2019 | 18% | 7% |
| Oct 30 | 53°F | 25°F | 65°F 1968 | -8°F 2019 | 18% | 7% |
| Oct 31 | 52°F | 25°F | 68°F 2008 | 4°F 1972 | 18% | 8% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:15 AM, sunset 6:59 PM
- October 31
- sunrise 7:49 AM, sunset 6:14 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00484065 (Green Rvr), public domain. Records: NOAA GHCN-Daily, station USW00024027, 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.