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Overview
Monthly Summary
Events
Additional Information

Overview

This past March was an active month with multiple notable weather events affecting the area. The active weather pattern resulted in the month being a mild and wet one (for March standards).

CoCoRaHS Observer Monthly Precipitation Summary

CoCoRaHS Observer Monthly Snowfall Summary

Chicago Daily Climate Data for March 2026

Daily high and low temperatures observed at Chicago-O'Hare Airport in March 2026 plotted relative to the normal and record high and low temperatures for each date.

How to interpret this plot

Rockford Daily Climate Data for March 2026

Daily high and low temperatures observed at Rockford Airport in March 2026 plotted relative to the normal and record high and low temperatures for each date.

How to interpret this plot

March 2026 Climate Summary for Chicago and Rockford

Public Information Statement
National Weather Service Chicago IL
1242 PM CDT Wed Apr 1 2026 /142 PM EDT Wed Apr 1 2026/

...A Look Back at the Climate for the Month of March 2026 for
Chicago and Rockford...

At Chicago, the average high temperature was 54.9 degrees, which
is 7.9 degrees above normal. The average low temperature was
32.8 degrees, which is 1.8 degrees above normal. The mean average
temperature for the month was 43.9 degrees, which is 4.9 degrees
above normal. 4.54 inches of liquid precipitation were recorded,
which is 2.09 inches above normal. 1.8 inches of snow were
recorded, which is 3.7 inches below normal.

The following daily records were set for Chicago this past March:
* Record daily high temperature of 73 degrees on the 9th.
* Record daily liquid precipitation of 1.02 inches on the 10th.
* Record daily liquid precipitation of 1.76 inches on the 15th.
* Record daily high temperature of 81 degrees on the 30th.

No top ten monthly records were set for Chicago during this past
March.



At Rockford, the average high temperature was 54.4 degrees, which
is 7.9 degrees above normal. The average low temperature was
30.6 degrees, which is 2.5 degrees above normal. The average
temperature for the month was 42.5 degrees, which is 5.2 degrees
above normal. 3.06 inches of liquid precipitation were recorded,
which is 0.66 inches above normal. 6.8 inches of snow were
recorded, which is 1.9 inches above normal.

The following daily records were set for Rockford this past
March:
* Record daily liquid precipitation of 1.21 inches on the 6th.
* Record daily high temperature of 73 degrees on the 9th.
* Tied record daily high temperature of 82 degrees on the 30th.

No top ten monthly records were set for Rockford during this past
March.

..................................................................

Chicago's climatic period of record dates back to:
  1871 for precipitation
  1872 for temperatures
  1884 for snowfall
Rockford's climatic period of record dates back to:
  1905 for temperatures, precipitation, and snowfall

$$

Latest Monthly Climate Report: Chicago (O'Hare) | Rockford

Events