Pen Mar climate

Pen Mar Weather in March

NOAA 1991-2020 normals for Catoctin Mtn Park, 8.6 km from Pen Mar

Average highs run from 46°F on March 1 to 58°F on March 31, and lows from 27°F to 36°F. Normal precipitation for the month is 4.43 in over about 12 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 Pen Mar, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
52°F
Average low
31°F
Precipitation
4.43 in
Snowfall
6.5 in
Record high
86°FMar 30, 1998
Record low
1°FMar 1, 1980
Chance of a freeze
100%
Daylight
11 h 19 min to 12 h 37 min
Cloud cover
64%
Humidity
81%
Dew point
34°F
Wind
9.2 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 146°F27°F71°F 19721°F 198035%12%
Mar 247°F28°F69°F 19924°F 198036%11%
Mar 347°F28°F68°F 19725°F 200936%11%
Mar 447°F28°F73°F 197411°F 199636%11%
Mar 548°F28°F73°F 19766°F 197836%11%
Mar 648°F29°F68°F 20099°F 200736%10%
Mar 748°F29°F72°F 200910°F 199036%10%
Mar 849°F29°F80°F 20003°F 198636%10%
Mar 949°F29°F79°F 20006°F 199636%10%
Mar 1049°F30°F72°F 20068°F 198436%9%
Mar 1150°F30°F70°F 200912°F 198736%9%
Mar 1250°F30°F81°F 199010°F 198436%9%
Mar 1350°F30°F80°F 199011°F 199337%8%
Mar 1451°F31°F82°F 199010°F 196837%8%
Mar 1551°F31°F80°F 19906°F 199337%8%
Mar 1652°F31°F78°F 199010°F 199237%8%
Mar 1752°F32°F70°F 199013°F 199437%7%
Mar 1852°F32°F67°F 20098°F 199337%7%
Mar 1953°F32°F71°F 20105°F 199338%7%
Mar 2053°F32°F73°F 197618°F 198138%6%
Mar 2154°F33°F73°F 20109°F 198638%6%
Mar 2254°F33°F70°F 200714°F 200238%6%
Mar 2355°F33°F72°F 199420°F 200238%6%
Mar 2455°F34°F75°F 198818°F 199238%5%
Mar 2555°F34°F73°F 198814°F 197438%5%
Mar 2656°F34°F76°F 200419°F 198338%5%
Mar 2756°F35°F82°F 199815°F 200138%5%
Mar 2857°F35°F82°F 198913°F 198239%4%
Mar 2957°F36°F81°F 199825°F 197039%4%
Mar 3058°F36°F86°F 199812°F 197039%4%
Mar 3158°F36°F83°F 199820°F 198339%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Pen Mar, 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 6:43 AM, sunset 6:02 PM
March 31
sunrise 6:56 AM, sunset 7:33 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00181530 (Catoctin Mtn Park), public domain. Records: NOAA GHCN-Daily, station USC00181530, 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.