Grayson County Weather in October
Average highs run from 81°F on October 1 to 69°F on October 31, and lows from 61°F to 50°F. Normal precipitation for the month is 4.77 in over about 7 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
- 75°F
- Average low
- 55°F
- Precipitation
- 4.77 in
- Record high
- 100°FOct 4, 1951
- Record low
- 22°FOct 30, 1917
- Chance of a freeze
- 8%
- Days of 90°F or more
- 0.8
- Daylight
- 11 h 50 min to 10 h 50 min
- Cloud cover
- 44%
- Humidity
- 68%
- Dew point
- 53°F
- Wind
- 9.6 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 | 81°F | 61°F | 98°F 1977 | 40°F 1984 | 18% | 0% |
| Oct 2 | 81°F | 60°F | 97°F 1953 | 40°F 1975 | 18% | 0% |
| Oct 3 | 80°F | 60°F | 96°F 1951 | 38°F 1975 | 19% | 0% |
| Oct 4 | 80°F | 60°F | 100°F 1951 | 35°F 1975 | 19% | 0% |
| Oct 5 | 80°F | 59°F | 99°F 1951 | 36°F 1975 | 19% | 0% |
| Oct 6 | 79°F | 59°F | 96°F 1951 | 38°F 1975 | 19% | 0% |
| Oct 7 | 79°F | 59°F | 97°F 1956 | 41°F 1975 | 19% | 0% |
| Oct 8 | 78°F | 58°F | 96°F 1956 | 38°F 1952 | 19% | 0% |
| Oct 9 | 78°F | 58°F | 96°F 1963 | 37°F 2000 | 20% | 0% |
| Oct 10 | 78°F | 57°F | 96°F 1963 | 35°F 1979 | 20% | 0% |
| Oct 11 | 77°F | 57°F | 94°F 1975 | 37°F 1979 | 20% | 0% |
| Oct 12 | 77°F | 57°F | 96°F 1979 | 32°F 1977 | 20% | 0% |
| Oct 13 | 77°F | 56°F | 94°F 1963 | 34°F 1977 | 20% | 0% |
| Oct 14 | 76°F | 56°F | 94°F 2015 | 36°F 1977 | 20% | 0% |
| Oct 15 | 76°F | 56°F | 94°F 2015 | 38°F 2018 | 20% | 0% |
| Oct 16 | 75°F | 55°F | 93°F 2015 | 33°F 1966 | 21% | 0% |
| Oct 17 | 75°F | 55°F | 90°F 1929 | 35°F 1977 | 21% | 0% |
| Oct 18 | 75°F | 54°F | 95°F 1972 | 30°F 1948 | 21% | 0% |
| Oct 19 | 74°F | 54°F | 90°F 1927 | 34°F 1948 | 21% | 0% |
| Oct 20 | 74°F | 54°F | 92°F 1927 | 30°F 1976 | 21% | 0% |
| Oct 21 | 73°F | 53°F | 92°F 1927 | 30°F 1976 | 21% | 0% |
| Oct 22 | 73°F | 53°F | 92°F 1934 | 35°F 1976 | 21% | 0% |
| Oct 23 | 73°F | 52°F | 89°F 1927 | 34°F 1937 | 22% | 0% |
| Oct 24 | 72°F | 52°F | 92°F 1927 | 33°F 1929 | 22% | 0% |
| Oct 25 | 72°F | 52°F | 94°F 1927 | 32°F 1982 | 22% | 0% |
| Oct 26 | 71°F | 51°F | 92°F 1927 | 31°F 1957 | 22% | 0% |
| Oct 27 | 71°F | 51°F | 91°F 1927 | 31°F 1943 | 22% | 0% |
| Oct 28 | 71°F | 51°F | 89°F 1927 | 30°F 2017 | 22% | 0% |
| Oct 29 | 70°F | 50°F | 90°F 1937 | 32°F 1913 | 22% | 0% |
| Oct 30 | 70°F | 50°F | 89°F 1950 | 22°F 1917 | 21% | 0% |
| Oct 31 | 69°F | 50°F | 90°F 1951 | 23°F 1917 | 21% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 7:21 AM, sunset 7:11 PM
- October 31
- sunrise 7:45 AM, sunset 6:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418274 (Sherman), public domain. Records: NOAA GHCN-Daily, station USC00418274, 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.