Fairfax Weather in March
Average highs run from 59°F on March 1 to 69°F on March 31, and lows from 33°F to 42°F. Normal precipitation for the month is 2.76 in over about 5 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 64°F
- Average low
- 37°F
- Precipitation
- 2.76 in
- Snowfall
- 1.6 in
- Record high
- 97°FMar 21, 2026
- Record low
- -2°FMar 3, 1960
- Chance of a freeze
- 100%
- Daylight
- 11 h 24 min to 12 h 34 min
- Cloud cover
- 60%
- Humidity
- 73%
- Dew point
- 40°F
- Wind
- 12.5 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 |
|---|---|---|---|---|---|---|
| Mar 1 | 59°F | 33°F | 85°F 2006 | 7°F 1962 | 14% | 3% |
| Mar 2 | 59°F | 33°F | 83°F 2024 | 6°F 1980 | 14% | 3% |
| Mar 3 | 59°F | 33°F | 85°F 1955 | -2°F 1960 | 14% | 3% |
| Mar 4 | 60°F | 34°F | 79°F 1994 | 2°F 1960 | 14% | 3% |
| Mar 5 | 60°F | 34°F | 88°F 1991 | 2°F 1960 | 14% | 2% |
| Mar 6 | 60°F | 34°F | 83°F 2009 | 11°F 1982 | 15% | 2% |
| Mar 7 | 61°F | 35°F | 82°F 1992 | 9°F 1967 | 15% | 2% |
| Mar 8 | 61°F | 35°F | 81°F 2006 | 1°F 1967 | 15% | 2% |
| Mar 9 | 62°F | 35°F | 86°F 2026 | 6°F 1996 | 15% | 2% |
| Mar 10 | 62°F | 36°F | 88°F 1955 | 3°F 1948 | 16% | 2% |
| Mar 11 | 62°F | 36°F | 92°F 1967 | 0°F 1948 | 16% | 2% |
| Mar 12 | 63°F | 36°F | 86°F 2006 | 2°F 1948 | 16% | 2% |
| Mar 13 | 63°F | 37°F | 84°F 2012 | 12°F 1950 | 16% | 2% |
| Mar 14 | 63°F | 37°F | 85°F 1977 | 12°F 1954 | 16% | 2% |
| Mar 15 | 64°F | 37°F | 82°F 2013 | 19°F 1954 | 17% | 2% |
| Mar 16 | 64°F | 37°F | 82°F 2015 | 16°F 2026 | 17% | 2% |
| Mar 17 | 64°F | 38°F | 86°F 1994 | 21°F 2014 | 17% | 2% |
| Mar 18 | 65°F | 38°F | 85°F 1963 | 17°F 1965 | 17% | 2% |
| Mar 19 | 65°F | 38°F | 90°F 2017 | 13°F 2023 | 17% | 2% |
| Mar 20 | 66°F | 39°F | 95°F 2026 | 11°F 1965 | 18% | 2% |
| Mar 21 | 66°F | 39°F | 97°F 2026 | 12°F 1974 | 18% | 2% |
| Mar 22 | 66°F | 39°F | 88°F 1995 | 10°F 1955 | 18% | 2% |
| Mar 23 | 67°F | 40°F | 90°F 1994 | 18°F 1968 | 18% | 2% |
| Mar 24 | 67°F | 40°F | 84°F 1959 | 13°F 1966 | 18% | 2% |
| Mar 25 | 67°F | 40°F | 92°F 2026 | 14°F 1955 | 18% | 1% |
| Mar 26 | 68°F | 41°F | 94°F 2026 | 10°F 1955 | 18% | 1% |
| Mar 27 | 68°F | 41°F | 85°F 2025 | 17°F 1955 | 18% | 1% |
| Mar 28 | 68°F | 41°F | 86°F 1963 | 25°F 1948 | 18% | 1% |
| Mar 29 | 69°F | 41°F | 87°F 1967 | 23°F 2009 | 19% | 1% |
| Mar 30 | 69°F | 42°F | 88°F 2026 | 21°F 1964 | 19% | 1% |
| Mar 31 | 69°F | 42°F | 90°F 1974 | 24°F 1987 | 19% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- March 1
- sunrise 6:57 AM, sunset 6:21 PM
- March 31
- sunrise 7:14 AM, sunset 7:48 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00347390 (Ralston), public domain. Records: NOAA GHCN-Daily, station USW00013969, 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.