Grant County Weather in October
Average highs run from 70°F on October 1 to 54°F on October 31, and lows from 35°F to 28°F. Normal precipitation for the month is 1.04 in over about 8 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
- 62°F
- Average low
- 31°F
- Precipitation
- 1.04 in
- Snowfall
- 0.2 in
- Record high
- 95°FOct 8, 1980
- Record low
- 4°FOct 31, 2002
- Chance of a freeze
- 100%
- Daylight
- 11 h 42 min to 10 h 14 min
- Cloud cover
- 54%
- Humidity
- 63%
- Dew point
- 30°F
- Wind
- 4.9 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 | 70°F | 35°F | 91°F 1992 | 26°F 1959 | 20% | 0% |
| Oct 2 | 70°F | 35°F | 91°F 1988 | 21°F 2019 | 20% | 0% |
| Oct 3 | 69°F | 34°F | 93°F 1987 | 23°F 1973 | 21% | 0% |
| Oct 4 | 69°F | 34°F | 94°F 1980 | 25°F 1989 | 21% | 0% |
| Oct 5 | 68°F | 34°F | 90°F 1958 | 21°F 1969 | 22% | 0% |
| Oct 6 | 68°F | 33°F | 89°F 1980 | 22°F 2012 | 22% | 0% |
| Oct 7 | 67°F | 33°F | 93°F 1980 | 21°F 1990 | 22% | 0% |
| Oct 8 | 67°F | 33°F | 95°F 1980 | 22°F 1990 | 23% | 0% |
| Oct 9 | 66°F | 33°F | 90°F 1965 | 17°F 1985 | 23% | 0% |
| Oct 10 | 65°F | 32°F | 89°F 1996 | 16°F 2019 | 23% | 0% |
| Oct 11 | 65°F | 32°F | 92°F 1991 | 15°F 2019 | 24% | 0% |
| Oct 12 | 64°F | 32°F | 90°F 1991 | 18°F 2008 | 24% | 0% |
| Oct 13 | 64°F | 32°F | 86°F 1964 | 17°F 1969 | 24% | 0% |
| Oct 14 | 63°F | 31°F | 86°F 1976 | 18°F 1969 | 25% | 0% |
| Oct 15 | 63°F | 31°F | 86°F 1958 | 20°F 1969 | 25% | 0% |
| Oct 16 | 62°F | 31°F | 89°F 1961 | 20°F 1992 | 25% | 0% |
| Oct 17 | 62°F | 31°F | 85°F 1974 | 21°F 1996 | 26% | 0% |
| Oct 18 | 61°F | 30°F | 86°F 1973 | 19°F 1976 | 26% | 0% |
| Oct 19 | 61°F | 30°F | 85°F 1974 | 20°F 1905 | 27% | 0% |
| Oct 20 | 60°F | 30°F | 83°F 1974 | 22°F 1982 | 27% | 1% |
| Oct 21 | 60°F | 30°F | 81°F 1999 | 18°F 1996 | 27% | 1% |
| Oct 22 | 59°F | 30°F | 88°F 2003 | 18°F 1996 | 28% | 1% |
| Oct 23 | 59°F | 29°F | 85°F 1999 | 21°F 2020 | 28% | 1% |
| Oct 24 | 58°F | 29°F | 80°F 1965 | 21°F 1958 | 29% | 1% |
| Oct 25 | 57°F | 29°F | 80°F 1959 | 20°F 1971 | 29% | 1% |
| Oct 26 | 57°F | 29°F | 79°F 1965 | 13°F 2020 | 29% | 1% |
| Oct 27 | 56°F | 29°F | 77°F 1953 | 15°F 2020 | 30% | 1% |
| Oct 28 | 56°F | 29°F | 81°F 1953 | 13°F 1971 | 30% | 1% |
| Oct 29 | 55°F | 28°F | 79°F 1962 | 5°F 1971 | 30% | 1% |
| Oct 30 | 55°F | 28°F | 76°F 1983 | 6°F 1971 | 31% | 1% |
| Oct 31 | 54°F | 28°F | 73°F 1953 | 4°F 2002 | 31% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 6:54 AM, sunset 6:36 PM
- October 31
- sunrise 7:32 AM, sunset 5:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00354291 (John Day), public domain. Records: NOAA GHCN-Daily, station USC00354291, 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.