Mercer County climate

Mercer County Weather in March

NOAA 1991-2020 normals for Princeton, 2.9 km from Mercer County

Average highs run from 44°F on March 1 to 58°F on March 31, and lows from 23°F to 34°F. Normal precipitation for the month is 2.23 in over about 7 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 Mercer County, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
51°F
Average low
29°F
Precipitation
2.23 in
Snowfall
4.9 in
Record high
91°FMar 21, 2026
Record low
-8°FMar 12, 1998
Chance of a freeze
100%
Daylight
11 h 18 min to 12 h 39 min
Cloud cover
66%
Humidity
76%
Dew point
32°F
Wind
12.3 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°F23°F73°F 20060°F 201423%11%
Mar 245°F24°F77°F 2022-6°F 201423%11%
Mar 345°F24°F77°F 2024-8°F 201423%10%
Mar 446°F24°F71°F 2017-4°F 201923%10%
Mar 546°F25°F73°F 20092°F 201523%10%
Mar 647°F25°F75°F 20173°F 200323%9%
Mar 747°F26°F79°F 20008°F 200823%9%
Mar 848°F26°F71°F 20165°F 200823%9%
Mar 948°F26°F77°F 20268°F 199823%8%
Mar 1049°F27°F76°F 20251°F 199823%8%
Mar 1149°F27°F72°F 2024-4°F 199823%8%
Mar 1250°F28°F72°F 2025-8°F 199823%8%
Mar 1350°F28°F76°F 200717°F 200523%7%
Mar 1451°F28°F81°F 201213°F 199823%7%
Mar 1551°F29°F80°F 201211°F 201724%7%
Mar 1651°F29°F83°F 20156°F 202624%7%
Mar 1752°F29°F79°F 20094°F 202624%7%
Mar 1852°F30°F78°F 201210°F 202324%6%
Mar 1953°F30°F77°F 201210°F 202324%6%
Mar 2053°F31°F83°F 202617°F 201324%6%
Mar 2154°F31°F91°F 202612°F 200225%6%
Mar 2254°F31°F71°F 20119°F 200225%6%
Mar 2355°F32°F77°F 201715°F 201425%5%
Mar 2455°F32°F74°F 200721°F 201425%5%
Mar 2555°F32°F83°F 202618°F 200126%5%
Mar 2656°F33°F84°F 202614°F 200126%5%
Mar 2756°F33°F76°F 201220°F 200126%5%
Mar 2857°F33°F76°F 202522°F 200026%4%
Mar 2957°F34°F76°F 199823°F 200927%4%
Mar 3057°F34°F86°F 202622°F 200327%4%
Mar 3158°F34°F80°F 201223°F 201927%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mercer County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

March 1
sunrise 6:48 AM, sunset 6:06 PM
March 31
sunrise 6:59 AM, sunset 7:38 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00236866 (Princeton), public domain. Records: NOAA GHCN-Daily, station USW00094991, 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.