March weather in Herndon, VA
The average temperature in Herndon in March is 44.2°F (33.6°F–54.8°F). Average precipitation: 3.50 inches. Average snowfall is 3.9 inches.
March is a spring month in Herndon, and is cooler than the annual average of 55.7°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 11h 44m. For travel, March is cool.
Avg High
54.8°F
Avg Low
33.6°F
Precipitation
3.50 in
Snow
3.9 in
March records in Herndon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 77.0°F (1972) | 10.9°F (1980) | 1.06 in (1997) |
| March 2 | 77.0°F (1972) | 12.0°F (1967) | 1.51 in (1994) |
| March 3 | 73.9°F (1967) | 1.2°F (2014) | 1.43 in (1997) |
| March 4 | 79.0°F (1974) | -0.8°F (2014) | 2.16 in (1993) |
| March 5 | 79.0°F (1976) | 7.0°F (1978) | 1.41 in (1965) |
| March 6 | 78.1°F (2022) | 6.3°F (2015) | 2.30 in (2011) |
| March 7 | 77.0°F (2022) | 2.1°F (2015) | 1.53 in (1967) |
| March 8 | 84.0°F (2000) | 10.9°F (1986) | 1.16 in (1995) |
| March 9 | 82.0°F (2016) | 14.0°F (1996) | 0.99 in (2024) |
| March 10 | 84.9°F (2026) | 7.0°F (1996) | 1.41 in (2011) |
| March 11 | 86.0°F (2026) | 12.9°F (1996) | 0.82 in (1963) |
| March 12 | 89.1°F (1990) | 18.0°F (1969) | 1.41 in (1968) |
| March 13 | 87.1°F (1990) | 16.0°F (1998) | 1.63 in (1977) |
| March 14 | 88.0°F (1990) | 15.1°F (1968) | 0.99 in (1999) |
| March 15 | 84.0°F (2012) | -0.9°F (1993) | 0.89 in (1967) |
| March 16 | 81.0°F (1990) | 16.0°F (1969) | 1.56 in (2007) |
| March 17 | 77.0°F (1963) | 16.0°F (1970) | 1.14 in (1993) |
| March 18 | 80.1°F (1989) | 12.9°F (1976) | 1.16 in (1998) |
| March 19 | 75.9°F (2012) | 10.0°F (1967) | 1.07 in (1975) |
| March 20 | 80.1°F (2020) | 18.0°F (1981) | 1.81 in (2003) |
| March 21 | 78.1°F (2010) | 14.0°F (1965) | 2.69 in (2019) |
| March 22 | 86.0°F (2026) | 12.0°F (1988) | 0.93 in (1977) |
| March 23 | 82.9°F (1994) | 17.1°F (1969) | 2.21 in (1991) |
| March 24 | 79.0°F (1988) | 19.2°F (2014) | 1.79 in (1979) |
| March 25 | 78.1°F (2017) | 17.1°F (1971) | 0.96 in (1984) |
| March 26 | 81.0°F (2021) | 17.1°F (1983) | 1.55 in (1988) |
| March 27 | 84.9°F (1998) | 15.3°F (2014) | 1.19 in (1983) |
| March 28 | 86.0°F (1989) | 18.0°F (2001) | 1.40 in (1984) |
| March 29 | 86.0°F (1998) | 19.9°F (1982) | 1.33 in (2001) |
| March 30 | 89.1°F (1998) | 21.9°F (1970) | 1.24 in (1974) |
| March 31 | 84.9°F (1998) | 17.1°F (1964) | 1.55 in (2017) |