Mastic Beach climate

Mastic Beach Weather in March

NOAA 1991-2020 normals for Shirley Brookhaven AP, 6.2 km from Mastic Beach

Average highs run from 44°F on March 1 to 52°F on March 31, and lows from 27°F to 35°F. Normal precipitation for the month is 4.62 in over about 11 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 Mastic Beach, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
47°F
Average low
31°F
Precipitation
4.62 in
Snowfall
6.5 in
Record high
79°FMar 29, 2025
Record low
4°FMar 7, 2003
Chance of a freeze
100%
Daylight
11 h 18 min to 12 h 39 min
Cloud cover
62%
Humidity
82%
Dew point
32°F
Wind
10.7 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 144°F27°F60°F 20047°F 201436%12%
Mar 244°F28°F58°F 201715°F 202636%11%
Mar 344°F28°F65°F 202411°F 200336%11%
Mar 444°F28°F59°F 20246°F 200936%11%
Mar 545°F28°F57°F 20087°F 200936%11%
Mar 645°F29°F60°F 202511°F 201536%11%
Mar 745°F29°F65°F 20094°F 200336%10%
Mar 845°F29°F62°F 20097°F 200736%10%
Mar 946°F29°F67°F 202611°F 200536%10%
Mar 1046°F30°F71°F 201610°F 200536%10%
Mar 1146°F30°F64°F 20149°F 200336%10%
Mar 1246°F30°F67°F 202115°F 201736%9%
Mar 1346°F30°F70°F 202011°F 201736%9%
Mar 1447°F31°F70°F 201216°F 201436%9%
Mar 1547°F31°F72°F 202420°F 201736%9%
Mar 1647°F31°F65°F 200223°F 202136%8%
Mar 1748°F31°F70°F 200321°F 201436%8%
Mar 1848°F32°F75°F 201118°F 201436%8%
Mar 1948°F32°F67°F 201018°F 201536%8%
Mar 2048°F32°F71°F 201020°F 200437%8%
Mar 2149°F32°F71°F 201223°F 200637%7%
Mar 2249°F33°F71°F 201221°F 200437%7%
Mar 2349°F33°F74°F 201212°F 200437%7%
Mar 2450°F33°F66°F 200020°F 201437%6%
Mar 2550°F33°F66°F 202115°F 201437%6%
Mar 2650°F34°F77°F 202123°F 201437%6%
Mar 2750°F34°F74°F 200721°F 200138%5%
Mar 2851°F34°F63°F 202524°F 200138%5%
Mar 2951°F34°F79°F 202521°F 202638%5%
Mar 3051°F35°F65°F 200221°F 200838%5%
Mar 3152°F35°F63°F 202124°F 202339%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mastic Beach, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

March 1
sunrise 6:25 AM, sunset 5:43 PM
March 31
sunrise 6:36 AM, sunset 7:15 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054790 (Shirley Brookhaven AP), public domain. Records: NOAA GHCN-Daily, station USW00054790, 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.