Exton Weather in March
Average highs run from 46°F on March 1 to 57°F on March 31, and lows from 24°F to 33°F. Normal precipitation for the month is 4.61 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
- 51°F
- Average low
- 29°F
- Precipitation
- 4.61 in
- Snowfall
- 4.1 in
- Record high
- 87°FMar 29, 1945
- Record low
- -4°FMar 7, 2015
- Chance of a freeze
- 100%
- Daylight
- 11 h 18 min to 12 h 38 min
- Cloud cover
- 65%
- Humidity
- 82%
- Dew point
- 33°F
- Wind
- 7.2 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Mar 1 | 46°F | 24°F | 66°F 1976 | 4°F 2014 | 32% | 12% |
| Mar 2 | 46°F | 25°F | 73°F 1972 | 7°F 1980 | 32% | 11% |
| Mar 3 | 47°F | 25°F | 75°F 1972 | 5°F 2009 | 32% | 11% |
| Mar 4 | 47°F | 25°F | 71°F 1946 | 3°F 2014 | 32% | 11% |
| Mar 5 | 47°F | 26°F | 76°F 1946 | 7°F 2014 | 32% | 10% |
| Mar 6 | 48°F | 26°F | 76°F 1976 | -2°F 2015 | 33% | 10% |
| Mar 7 | 48°F | 26°F | 71°F 1921 | -4°F 2015 | 33% | 10% |
| Mar 8 | 48°F | 26°F | 72°F 1974 | 0°F 2007 | 33% | 9% |
| Mar 9 | 48°F | 27°F | 82°F 2000 | 4°F 2007 | 33% | 9% |
| Mar 10 | 49°F | 27°F | 82°F 2016 | -3°F 1984 | 34% | 9% |
| Mar 11 | 49°F | 27°F | 82°F 2016 | 10°F 2003 | 34% | 9% |
| Mar 12 | 49°F | 28°F | 84°F 1990 | 8°F 1984 | 34% | 8% |
| Mar 13 | 50°F | 28°F | 84°F 1990 | 12°F 1984 | 34% | 8% |
| Mar 14 | 50°F | 28°F | 84°F 1990 | 11°F 1896 | 34% | 8% |
| Mar 15 | 50°F | 28°F | 80°F 1990 | 15°F 1932 | 35% | 7% |
| Mar 16 | 51°F | 29°F | 82°F 1945 | 11°F 1911 | 35% | 7% |
| Mar 17 | 51°F | 29°F | 85°F 1945 | 11°F 1900 | 35% | 7% |
| Mar 18 | 51°F | 29°F | 76°F 1927 | 5°F 1916 | 35% | 7% |
| Mar 19 | 52°F | 30°F | 80°F 2011 | 9°F 1967 | 35% | 6% |
| Mar 20 | 52°F | 30°F | 83°F 1945 | 13°F 1923 | 36% | 6% |
| Mar 21 | 53°F | 30°F | 84°F 1948 | 12°F 1965 | 36% | 6% |
| Mar 22 | 53°F | 30°F | 81°F 1938 | 11°F 1965 | 36% | 6% |
| Mar 23 | 53°F | 31°F | 80°F 1907 | 14°F 1934 | 36% | 5% |
| Mar 24 | 54°F | 31°F | 81°F 2012 | 12°F 1896 | 36% | 5% |
| Mar 25 | 54°F | 31°F | 82°F 1939 | 14°F 2014 | 36% | 5% |
| Mar 26 | 54°F | 32°F | 81°F 1963 | 18°F 2011 | 36% | 5% |
| Mar 27 | 55°F | 32°F | 82°F 1921 | 16°F 2001 | 36% | 4% |
| Mar 28 | 55°F | 32°F | 84°F 1945 | 17°F 1982 | 36% | 4% |
| Mar 29 | 56°F | 33°F | 87°F 1945 | 11°F 1923 | 36% | 4% |
| Mar 30 | 56°F | 33°F | 85°F 1910 | 18°F 1915 | 36% | 4% |
| Mar 31 | 57°F | 33°F | 82°F 1977 | 16°F 1970 | 36% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- March 1
- sunrise 6:36 AM, sunset 5:54 PM
- March 31
- sunrise 6:48 AM, sunset 7:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00369464 (W Chester 2 Nw), public domain. Records: NOAA GHCN-Daily, station USC00369464, 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.