Mount Prospect Weather in March
Average highs run from 41°F on March 1 to 53°F on March 31, and lows from 26°F to 35°F. Normal precipitation for the month is 2.45 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
- 47°F
- Average low
- 31°F
- Precipitation
- 2.45 in
- Snowfall
- 5.5 in
- Record high
- 86°FMar 20, 2012
- Record low
- -4°FMar 3, 2014
- Chance of a freeze
- 100%
- Daylight
- 11 h 15 min to 12 h 40 min
- Cloud cover
- 76%
- Humidity
- 80%
- Dew point
- 30°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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Mar 1 | 41°F | 26°F | 62°F 2004 | 9°F 2015 | 34% | 19% |
| Mar 2 | 41°F | 27°F | 59°F 2024 | 0°F 2014 | 34% | 19% |
| Mar 3 | 42°F | 27°F | 72°F 2024 | -4°F 2014 | 34% | 18% |
| Mar 4 | 42°F | 27°F | 71°F 2024 | -2°F 2019 | 34% | 18% |
| Mar 5 | 43°F | 28°F | 70°F 2022 | 3°F 2015 | 34% | 18% |
| Mar 6 | 43°F | 28°F | 69°F 2000 | 4°F 2015 | 34% | 17% |
| Mar 7 | 43°F | 28°F | 78°F 2000 | 13°F 2014 | 35% | 17% |
| Mar 8 | 44°F | 29°F | 77°F 2000 | 10°F 2007 | 35% | 16% |
| Mar 9 | 44°F | 29°F | 73°F 2026 | 6°F 2003 | 35% | 16% |
| Mar 10 | 45°F | 29°F | 70°F 2021 | 3°F 2003 | 35% | 16% |
| Mar 11 | 45°F | 30°F | 69°F 2012 | 13°F 1998 | 35% | 15% |
| Mar 12 | 46°F | 30°F | 71°F 2024 | 11°F 1998 | 35% | 15% |
| Mar 13 | 46°F | 30°F | 73°F 2007 | 9°F 2014 | 35% | 14% |
| Mar 14 | 46°F | 31°F | 82°F 2012 | 17°F 2017 | 35% | 14% |
| Mar 15 | 47°F | 31°F | 82°F 2012 | 13°F 1997 | 35% | 13% |
| Mar 16 | 47°F | 31°F | 80°F 2012 | 11°F 1997 | 35% | 13% |
| Mar 17 | 48°F | 31°F | 82°F 2012 | 13°F 2026 | 35% | 13% |
| Mar 18 | 48°F | 32°F | 82°F 2012 | 13°F 2023 | 35% | 12% |
| Mar 19 | 48°F | 32°F | 78°F 2012 | 16°F 2013 | 35% | 12% |
| Mar 20 | 49°F | 32°F | 86°F 2012 | 14°F 2013 | 35% | 11% |
| Mar 21 | 49°F | 33°F | 86°F 2012 | 13°F 2013 | 36% | 11% |
| Mar 22 | 49°F | 33°F | 84°F 2012 | 15°F 2002 | 36% | 10% |
| Mar 23 | 50°F | 33°F | 73°F 2007 | 19°F 2014 | 36% | 10% |
| Mar 24 | 50°F | 33°F | 80°F 2017 | 17°F 2015 | 36% | 10% |
| Mar 25 | 51°F | 34°F | 79°F 2007 | 18°F 2001 | 36% | 9% |
| Mar 26 | 51°F | 34°F | 79°F 2007 | 15°F 2014 | 36% | 9% |
| Mar 27 | 51°F | 34°F | 76°F 1998 | 20°F 2015 | 36% | 8% |
| Mar 28 | 52°F | 34°F | 79°F 2025 | 17°F 2015 | 37% | 8% |
| Mar 29 | 52°F | 35°F | 79°F 1998 | 23°F 2008 | 37% | 8% |
| Mar 30 | 53°F | 35°F | 80°F 2026 | 23°F 2014 | 37% | 7% |
| Mar 31 | 53°F | 35°F | 78°F 2010 | 22°F 2011 | 37% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- March 1
- sunrise 6:27 AM, sunset 5:42 PM
- March 31
- sunrise 6:36 AM, sunset 7:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094846 (Chicago Ohare Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00004838, 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.