Grundy County climate

Grundy County Weather in March

NOAA 1991-2020 normals for Trenton, 5.1 km from Grundy County

Average highs run from 46°F on March 1 to 59°F on March 31, and lows from 24°F to 35°F. Normal precipitation for the month is 2.60 in over about 9 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 Grundy County, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
53°F
Average low
30°F
Precipitation
2.60 in
Snowfall
2.9 in
Record high
93°FMar 21, 2026
Record low
-9°FMar 3, 2014
Chance of a freeze
100%
Daylight
11 h 19 min to 12 h 38 min
Cloud cover
66%
Humidity
76%
Dew point
33°F
Wind
11.9 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°F24°F77°F 20065°F 201426%6%
Mar 246°F25°F84°F 20220°F 201426%6%
Mar 347°F25°F80°F 2024-9°F 201426%6%
Mar 447°F26°F76°F 2024-6°F 200226%6%
Mar 548°F26°F78°F 20098°F 201527%6%
Mar 648°F26°F75°F 20176°F 201927%5%
Mar 749°F27°F79°F 200014°F 200827%5%
Mar 849°F27°F72°F 20169°F 200827%5%
Mar 950°F27°F78°F 20269°F 200327%5%
Mar 1050°F28°F84°F 202613°F 200327%4%
Mar 1150°F28°F75°F 200615°F 202227%4%
Mar 1251°F29°F76°F 20258°F 202228%4%
Mar 1351°F29°F80°F 202523°F 201828%4%
Mar 1452°F29°F84°F 202518°F 201828%4%
Mar 1552°F30°F81°F 201312°F 201728%4%
Mar 1653°F30°F84°F 201510°F 202628%4%
Mar 1753°F30°F80°F 20099°F 202629%3%
Mar 1854°F31°F78°F 202514°F 202329%3%
Mar 1954°F31°F80°F 202615°F 202329%3%
Mar 2054°F31°F87°F 202619°F 201329%3%
Mar 2155°F32°F93°F 202616°F 200230%3%
Mar 2255°F32°F72°F 201111°F 200230%3%
Mar 2356°F32°F80°F 201722°F 200230%3%
Mar 2456°F33°F77°F 201219°F 200831%2%
Mar 2556°F33°F88°F 202620°F 201431%2%
Mar 2657°F34°F89°F 202617°F 200131%2%
Mar 2757°F34°F78°F 201218°F 200131%2%
Mar 2858°F34°F79°F 201222°F 202631%2%
Mar 2958°F35°F78°F 200725°F 200332%2%
Mar 3058°F35°F85°F 202618°F 200332%2%
Mar 3159°F35°F82°F 201227°F 201132%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grundy County, 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 (CDT).

March 1
sunrise 6:47 AM, sunset 6:06 PM
March 31
sunrise 7:00 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 USC00238444 (Trenton), public domain. Records: NOAA GHCN-Daily, station USW00053916, 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.