March weather in Portsmouth, VA
The average temperature in Portsmouth in March is 50.3°F (41.3°F–59.4°F). Average precipitation: 3.47 inches.
March is a spring month in Portsmouth, and is cooler than the annual average of 61.4°F. Daily temperatures swing about 18.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 11h 45m. For travel, March is a comfortable month to visit.
Avg High
59.4°F
Avg Low
41.3°F
Precipitation
3.47 in
Daylight
11h 45m
March records in Portsmouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 82.0°F (2017) | 19.9°F (1980) | 1.29 in (1983) |
| March 2 | 82.0°F (1972) | 21.0°F (1980) | 3.64 in (1994) |
| March 3 | 77.0°F (1974) | 20.1°F (2009) | 0.82 in (1973) |
| March 4 | 82.9°F (2004) | 24.3°F (2014) | 1.63 in (2024) |
| March 5 | 82.9°F (1976) | 21.9°F (1960) | 1.22 in (2008) |
| March 6 | 82.9°F (1967) | 21.9°F (1960) | 2.45 in (1979) |
| March 7 | 82.9°F (1974) | 22.1°F (2015) | 0.92 in (1948) |
| March 8 | 82.0°F (2009) | 19.9°F (1986) | 1.09 in (1978) |
| March 9 | 81.0°F (2009) | 19.0°F (1996) | 1.29 in (1976) |
| March 10 | 82.0°F (2026) | 24.1°F (1996) | 2.40 in (1994) |
| March 11 | 87.1°F (2026) | 23.0°F (1960) | 0.94 in (1974) |
| March 12 | 90.0°F (1990) | 25.0°F (1998) | 0.80 in (2022) |
| March 13 | 86.0°F (1990) | 25.0°F (1960) | 2.18 in (1993) |
| March 14 | 88.0°F (1990) | 26.1°F (1960) | 1.76 in (1954) |
| March 15 | 87.1°F (2012) | 25.0°F (1993) | 0.72 in (1982) |
| March 16 | 84.0°F (1990) | 28.9°F (1949) | 1.48 in (1956) |
| March 17 | 89.1°F (1945) | 28.2°F (2018) | 1.78 in (1968) |
| March 18 | 84.0°F (2011) | 28.0°F (1976) | 1.22 in (1983) |
| March 19 | 87.1°F (1945) | 28.0°F (1959) | 1.88 in (1958) |
| March 20 | 86.0°F (2020) | 30.0°F (1981) | 1.18 in (2018) |
| March 21 | 87.1°F (1948) | 28.9°F (1965) | 1.58 in (1973) |
| March 22 | 87.1°F (1948) | 28.0°F (1986) | 0.91 in (1985) |
| March 23 | 84.9°F (2012) | 28.0°F (1986) | 1.75 in (1989) |
| March 24 | 84.0°F (1975) | 32.0°F (1971) | 1.74 in (1952) |
| March 25 | 84.0°F (1954) | 28.0°F (1974) | 1.35 in (2020) |
| March 26 | 82.9°F (2021) | 30.0°F (1960) | 1.26 in (1978) |
| March 27 | 86.0°F (2007) | 25.0°F (1955) | 1.80 in (2002) |
| March 28 | 84.9°F (1945) | 30.0°F (1982) | 2.46 in (2024) |
| March 29 | 88.0°F (1985) | 28.0°F (1982) | 1.58 in (1991) |
| March 30 | 86.0°F (1998) | 28.9°F (1964) | 0.81 in (1989) |
| March 31 | 84.0°F (2025) | 30.0°F (1964) | 1.66 in (2017) |