Fairfax Weather in October
Average highs run from 68°F on October 1 to 50°F on October 31, and lows from 44°F to 30°F. Normal precipitation for the month is 2.38 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
- 60°F
- Average low
- 36°F
- Precipitation
- 2.38 in
- Snowfall
- 0.5 in
- Record high
- 93°FOct 1, 2023
- Record low
- 3°FOct 29, 1925
- Chance of a freeze
- 100%
- Daylight
- 11 h 42 min to 10 h 14 min
- Cloud cover
- 61%
- Humidity
- 71%
- Dew point
- 37°F
- Wind
- 11.4 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 | 68°F | 44°F | 93°F 2023 | 26°F 1961 | 24% | 0% |
| Oct 2 | 68°F | 43°F | 93°F 1953 | 18°F 1974 | 24% | 1% |
| Oct 3 | 67°F | 43°F | 92°F 1938 | 22°F 1989 | 24% | 1% |
| Oct 4 | 67°F | 42°F | 92°F 2025 | 21°F 1935 | 24% | 1% |
| Oct 5 | 66°F | 42°F | 92°F 1947 | 22°F 1952 | 23% | 1% |
| Oct 6 | 66°F | 41°F | 90°F 1993 | 21°F 1935 | 23% | 1% |
| Oct 7 | 65°F | 41°F | 88°F 1997 | 22°F 1974 | 23% | 1% |
| Oct 8 | 64°F | 40°F | 90°F 2010 | 16°F 2000 | 23% | 1% |
| Oct 9 | 64°F | 40°F | 88°F 2010 | 21°F 2000 | 23% | 1% |
| Oct 10 | 63°F | 39°F | 92°F 1928 | 18°F 1935 | 23% | 1% |
| Oct 11 | 63°F | 39°F | 90°F 2015 | 22°F 1987 | 22% | 1% |
| Oct 12 | 62°F | 38°F | 87°F 1975 | 17°F 1917 | 22% | 1% |
| Oct 13 | 62°F | 38°F | 85°F 1956 | 18°F 1909 | 22% | 1% |
| Oct 14 | 61°F | 37°F | 91°F 1947 | 16°F 1937 | 22% | 1% |
| Oct 15 | 60°F | 37°F | 88°F 1910 | 23°F 1952 | 22% | 1% |
| Oct 16 | 60°F | 36°F | 86°F 1910 | 21°F 1943 | 21% | 1% |
| Oct 17 | 59°F | 36°F | 86°F 1947 | 16°F 1952 | 21% | 1% |
| Oct 18 | 58°F | 35°F | 84°F 1945 | 17°F 2022 | 21% | 2% |
| Oct 19 | 58°F | 35°F | 87°F 2003 | 13°F 1972 | 21% | 2% |
| Oct 20 | 57°F | 34°F | 90°F 1947 | 15°F 1952 | 20% | 2% |
| Oct 21 | 57°F | 34°F | 91°F 1947 | 14°F 1930 | 20% | 2% |
| Oct 22 | 56°F | 34°F | 82°F 1992 | 15°F 1936 | 20% | 2% |
| Oct 23 | 55°F | 33°F | 80°F 1973 | 13°F 1936 | 20% | 2% |
| Oct 24 | 55°F | 33°F | 83°F 1989 | 19°F 1955 | 20% | 2% |
| Oct 25 | 54°F | 32°F | 83°F 1989 | 18°F 1926 | 19% | 2% |
| Oct 26 | 53°F | 32°F | 85°F 1927 | 12°F 2020 | 19% | 2% |
| Oct 27 | 53°F | 31°F | 80°F 1983 | 8°F 2020 | 19% | 2% |
| Oct 28 | 52°F | 31°F | 78°F 1937 | 6°F 1919 | 19% | 2% |
| Oct 29 | 52°F | 30°F | 80°F 1937 | 3°F 1925 | 19% | 3% |
| Oct 30 | 51°F | 30°F | 86°F 1950 | 4°F 1925 | 18% | 3% |
| Oct 31 | 50°F | 30°F | 80°F 1944 | 12°F 1917 | 18% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 7:17 AM, sunset 6:59 PM
- October 31
- sunrise 7:55 AM, sunset 6:09 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00216839 (Redwood Falls), public domain. Records: NOAA GHCN-Daily, station USW00014992, 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.