Alton climate

Alton Weather in March

NOAA 1991-2020 normals for Alton, 0.2 km from Alton

Average highs run from 53°F on March 1 to 64°F on March 31, and lows from 29°F to 38°F. Normal precipitation for the month is 4.45 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 Alton, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
58°F
Average low
34°F
Precipitation
4.45 in
Snowfall
0.9 in
Record high
94°FMar 22, 2026
Record low
2°FMar 3, 2014
Chance of a freeze
100%
Daylight
11 h 24 min to 12 h 34 min
Cloud cover
63%
Humidity
79%
Dew point
41°F
Wind
5.8 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 153°F29°F77°F 200619°F 200926%2%
Mar 253°F29°F79°F 20228°F 201426%2%
Mar 354°F30°F76°F 20222°F 201426%2%
Mar 454°F30°F75°F 20243°F 200226%2%
Mar 554°F30°F72°F 20248°F 201926%2%
Mar 655°F31°F84°F 200911°F 201927%2%
Mar 755°F31°F76°F 200022°F 200327%2%
Mar 855°F31°F76°F 200319°F 200827%2%
Mar 956°F32°F79°F 201716°F 199827%1%
Mar 1056°F32°F75°F 202612°F 199827%1%
Mar 1156°F32°F85°F 202510°F 199827%1%
Mar 1257°F33°F81°F 20056°F 199827%1%
Mar 1357°F33°F82°F 202521°F 199827%1%
Mar 1458°F33°F82°F 202420°F 200528%1%
Mar 1558°F33°F86°F 201617°F 201728%1%
Mar 1658°F34°F76°F 201219°F 202628%1%
Mar 1759°F34°F79°F 201215°F 202628%1%
Mar 1859°F34°F81°F 200922°F 202328%1%
Mar 1959°F35°F80°F 202616°F 202328%1%
Mar 2060°F35°F89°F 201724°F 202328%1%
Mar 2160°F35°F89°F 202619°F 201328%1%
Mar 2261°F36°F94°F 202616°F 200228%1%
Mar 2361°F36°F76°F 201125°F 200228%1%
Mar 2461°F36°F79°F 200722°F 201428%1%
Mar 2562°F36°F82°F 202624°F 200128%0%
Mar 2662°F37°F88°F 202619°F 200128%0%
Mar 2763°F37°F82°F 202521°F 201328%0%
Mar 2863°F37°F79°F 199830°F 202428%0%
Mar 2963°F38°F78°F 201228°F 202328%0%
Mar 3064°F38°F80°F 201227°F 200328%0%
Mar 3164°F38°F83°F 201230°F 201928%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alton, 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 6:36 AM, sunset 6:00 PM
March 31
sunrise 6:53 AM, sunset 7:27 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00230127 (Alton), public domain. Records: NOAA GHCN-Daily, station USW00053901, 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.