Boston climate

Boston Weather in March

NOAA 1991-2020 normals for Mckeesport, 4.4 km from Boston

Average highs run from 45°F on March 1 to 57°F on March 31, and lows from 25°F to 33°F. Normal precipitation for the month is 3.20 in over about 13 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Boston, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
51°F
Average low
29°F
Precipitation
3.20 in
Snowfall
3.0 in
Record high
84°FMar 22, 2026
Record low
1°FMar 6, 2015
Chance of a freeze
100%
Daylight
11 h 18 min to 12 h 38 min
Cloud cover
72%
Humidity
82%
Dew point
32°F
Wind
6.0 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 145°F25°F73°F 202315°F 194943%15%
Mar 246°F25°F63°F 20238°F 195042%14%
Mar 346°F25°F68°F 20084°F 200342%14%
Mar 446°F25°F74°F 20246°F 201442%13%
Mar 547°F26°F77°F 20046°F 201542%13%
Mar 647°F26°F74°F 19461°F 201542%12%
Mar 747°F26°F78°F 202613°F 199942%11%
Mar 848°F26°F78°F 20009°F 199942%11%
Mar 948°F27°F74°F 201613°F 200542%10%
Mar 1048°F27°F70°F 20219°F 193742%10%
Mar 1149°F27°F73°F 202514°F 194842%9%
Mar 1249°F27°F70°F 20259°F 194842%9%
Mar 1350°F28°F75°F 20069°F 201442%9%
Mar 1450°F28°F78°F 201915°F 201742%8%
Mar 1550°F28°F74°F 201214°F 201742%8%
Mar 1651°F28°F72°F 200317°F 194942%8%
Mar 1751°F29°F77°F 201217°F 202642%7%
Mar 1852°F29°F74°F 200915°F 193942%7%
Mar 1952°F29°F79°F 202512°F 193943%7%
Mar 2052°F30°F80°F 201218°F 194943%6%
Mar 2153°F30°F79°F 194817°F 193943%6%
Mar 2253°F30°F84°F 202614°F 200243%6%
Mar 2354°F30°F81°F 201219°F 201443%6%
Mar 2454°F31°F79°F 193915°F 201443%5%
Mar 2555°F31°F78°F 193921°F 194744%5%
Mar 2655°F31°F78°F 200713°F 200144%5%
Mar 2755°F32°F83°F 195018°F 200144%5%
Mar 2856°F32°F78°F 194614°F 201544%4%
Mar 2956°F32°F78°F 194617°F 201544%4%
Mar 3057°F32°F76°F 202222°F 194744%4%
Mar 3157°F33°F78°F 202621°F 200345%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boston, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

March 1
sunrise 6:53 AM, sunset 6:11 PM
March 31
sunrise 7:05 AM, sunset 7:43 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00365573 (Mckeesport), public domain. Records: NOAA GHCN-Daily, station USW00014762, 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.