Boston Weather in March
Average highs run from 34°F on March 1 to 46°F on March 31, and lows from 18°F to 28°F. Normal precipitation for the month is 3.65 in over about 16 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
- 39°F
- Average low
- 23°F
- Precipitation
- 3.65 in
- Snowfall
- 18.6 in
- Record high
- 82°FMar 21, 2012
- Record low
- -7°FMar 8, 1984
- Chance of a freeze
- 100%
- Daylight
- 11 h 15 min to 12 h 41 min
- Cloud cover
- 74%
- Humidity
- 86%
- Dew point
- 27°F
- Wind
- 8.1 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 | 34°F | 18°F | 64°F 1954 | -2°F 1980 | 61% | 48% |
| Mar 2 | 34°F | 18°F | 66°F 1991 | -5°F 1980 | 61% | 47% |
| Mar 3 | 34°F | 19°F | 70°F 1974 | -3°F 2003 | 60% | 46% |
| Mar 4 | 35°F | 19°F | 72°F 2024 | -4°F 1943 | 60% | 45% |
| Mar 5 | 35°F | 19°F | 72°F 2024 | 3°F 1944 | 59% | 44% |
| Mar 6 | 35°F | 19°F | 72°F 1946 | -1°F 2015 | 58% | 43% |
| Mar 7 | 36°F | 20°F | 76°F 1983 | 3°F 1989 | 58% | 42% |
| Mar 8 | 36°F | 20°F | 66°F 2024 | -7°F 1984 | 57% | 41% |
| Mar 9 | 36°F | 20°F | 69°F 2002 | 0°F 1960 | 57% | 40% |
| Mar 10 | 37°F | 21°F | 69°F 2021 | 5°F 1984 | 56% | 39% |
| Mar 11 | 37°F | 21°F | 69°F 1977 | 1°F 1960 | 56% | 38% |
| Mar 12 | 37°F | 21°F | 69°F 2012 | -2°F 1940 | 56% | 37% |
| Mar 13 | 38°F | 21°F | 67°F 1995 | 5°F 2014 | 55% | 36% |
| Mar 14 | 38°F | 22°F | 78°F 1990 | 6°F 1993 | 55% | 35% |
| Mar 15 | 39°F | 22°F | 79°F 1990 | 8°F 1993 | 54% | 34% |
| Mar 16 | 39°F | 22°F | 75°F 2025 | 7°F 1992 | 54% | 34% |
| Mar 17 | 39°F | 23°F | 73°F 2012 | 5°F 1967 | 54% | 33% |
| Mar 18 | 40°F | 23°F | 75°F 2012 | -4°F 1967 | 53% | 32% |
| Mar 19 | 40°F | 23°F | 76°F 2025 | -1°F 1939 | 53% | 31% |
| Mar 20 | 41°F | 24°F | 80°F 2012 | 7°F 1949 | 53% | 30% |
| Mar 21 | 41°F | 24°F | 82°F 2012 | 9°F 1986 | 52% | 30% |
| Mar 22 | 42°F | 24°F | 80°F 2012 | 7°F 1959 | 52% | 29% |
| Mar 23 | 42°F | 25°F | 78°F 1966 | 9°F 1940 | 52% | 28% |
| Mar 24 | 42°F | 25°F | 72°F 2021 | 7°F 1974 | 52% | 28% |
| Mar 25 | 43°F | 25°F | 76°F 1945 | 5°F 1974 | 51% | 27% |
| Mar 26 | 43°F | 26°F | 81°F 1945 | 7°F 1960 | 51% | 26% |
| Mar 27 | 44°F | 26°F | 75°F 1989 | 11°F 1966 | 51% | 25% |
| Mar 28 | 44°F | 26°F | 77°F 1945 | 14°F 1959 | 51% | 25% |
| Mar 29 | 45°F | 27°F | 78°F 1988 | 13°F 1959 | 51% | 24% |
| Mar 30 | 45°F | 27°F | 76°F 1977 | 14°F 1970 | 51% | 24% |
| Mar 31 | 46°F | 28°F | 78°F 1998 | 16°F 1969 | 51% | 23% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:50 AM, sunset 6:05 PM
- March 31
- sunrise 6:59 AM, sunset 7:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00301625 (Colden 1W), public domain. Records: NOAA GHCN-Daily, station USW00014733, 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.