Nantucket Weather in March
Average highs run from 42°F on March 1 to 47°F on March 31, and lows from 29°F to 35°F. Normal precipitation for the month is 3.84 in over about 11 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
- 44°F
- Average low
- 32°F
- Precipitation
- 3.84 in
- Snowfall
- 4.7 in
- Record high
- 66°FMar 23, 2012
- Record low
- 7°FMar 4, 1950
- Chance of a freeze
- 100%
- Daylight
- 11 h 16 min to 12 h 40 min
- Cloud cover
- 69%
- Humidity
- 81%
- Dew point
- 33°F
- Wind
- 17.9 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 | 42°F | 29°F | 60°F 2018 | 9°F 1980 | 34% | 9% |
| Mar 2 | 42°F | 29°F | 54°F 1972 | 14°F 1950 | 34% | 9% |
| Mar 3 | 42°F | 29°F | 52°F 2012 | 10°F 1950 | 34% | 9% |
| Mar 4 | 42°F | 29°F | 53°F 1965 | 7°F 1950 | 34% | 9% |
| Mar 5 | 42°F | 29°F | 55°F 1974 | 12°F 2017 | 34% | 8% |
| Mar 6 | 43°F | 30°F | 53°F 1974 | 12°F 2007 | 34% | 8% |
| Mar 7 | 43°F | 30°F | 61°F 2009 | 10°F 2007 | 34% | 8% |
| Mar 8 | 43°F | 30°F | 56°F 2008 | 13°F 2007 | 34% | 8% |
| Mar 9 | 43°F | 30°F | 55°F 2016 | 11°F 2007 | 34% | 8% |
| Mar 10 | 43°F | 30°F | 62°F 2016 | 7°F 1972 | 34% | 8% |
| Mar 11 | 43°F | 30°F | 56°F 1977 | 12°F 1972 | 34% | 7% |
| Mar 12 | 43°F | 31°F | 58°F 2022 | 15°F 2017 | 34% | 7% |
| Mar 13 | 44°F | 31°F | 58°F 2016 | 16°F 1974 | 34% | 7% |
| Mar 14 | 44°F | 31°F | 59°F 2002 | 17°F 1948 | 34% | 7% |
| Mar 15 | 44°F | 31°F | 57°F 2024 | 18°F 1968 | 34% | 7% |
| Mar 16 | 44°F | 31°F | 57°F 1973 | 17°F 1979 | 34% | 6% |
| Mar 17 | 44°F | 32°F | 62°F 2003 | 16°F 1966 | 34% | 6% |
| Mar 18 | 44°F | 32°F | 56°F 2010 | 10°F 1967 | 35% | 6% |
| Mar 19 | 45°F | 32°F | 60°F 2010 | 10°F 1967 | 35% | 6% |
| Mar 20 | 45°F | 32°F | 65°F 2012 | 18°F 1949 | 35% | 6% |
| Mar 21 | 45°F | 32°F | 64°F 2012 | 18°F 1967 | 35% | 5% |
| Mar 22 | 45°F | 33°F | 60°F 1979 | 20°F 1959 | 35% | 5% |
| Mar 23 | 45°F | 33°F | 66°F 2012 | 17°F 2004 | 35% | 5% |
| Mar 24 | 46°F | 33°F | 55°F 1962 | 15°F 2014 | 36% | 5% |
| Mar 25 | 46°F | 33°F | 56°F 1982 | 15°F 1974 | 36% | 4% |
| Mar 26 | 46°F | 34°F | 60°F 2000 | 10°F 1974 | 36% | 4% |
| Mar 27 | 46°F | 34°F | 59°F 2020 | 17°F 1975 | 36% | 4% |
| Mar 28 | 47°F | 34°F | 59°F 1949 | 20°F 1966 | 37% | 4% |
| Mar 29 | 47°F | 34°F | 57°F 1968 | 19°F 1974 | 37% | 4% |
| Mar 30 | 47°F | 35°F | 59°F 1968 | 25°F 1958 | 37% | 3% |
| Mar 31 | 47°F | 35°F | 60°F 1968 | 21°F 1970 | 37% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:15 AM, sunset 5:31 PM
- March 31
- sunrise 6:25 AM, sunset 7:05 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014756 (Nantucket Mem AP), public domain. Records: NOAA GHCN-Daily, station USW00014756, 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.