Westchester climate

Westchester Weather in April

NOAA 1991-2020 normals for Chicago Midway AP 3SW, 15.3 km from Westchester

Average highs run from 54°F on April 1 to 66°F on April 30, and lows from 37°F to 47°F. Normal precipitation for the month is 4.15 in over about 12 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Westchester, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
60°F
Average low
42°F
Precipitation
4.15 in
Snowfall
1.0 in
Record high
91°FApr 22, 1980
Record low
7°FApr 7, 1982
Chance of a freeze
86%
Daylight
12 h 43 min to 14 h 00 min
Cloud cover
80%
Humidity
76%
Dew point
39°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
Apr 154°F37°F83°F 201019°F 196437%6%
Apr 255°F37°F82°F 196320°F 196137%6%
Apr 355°F37°F75°F 198117°F 198738%6%
Apr 455°F38°F76°F 201013°F 197538%5%
Apr 556°F38°F85°F 198818°F 197538%5%
Apr 656°F38°F83°F 199115°F 198238%5%
Apr 757°F39°F83°F 20017°F 198238%5%
Apr 857°F39°F78°F 196914°F 197238%5%
Apr 957°F39°F77°F 201720°F 198938%4%
Apr 1058°F40°F85°F 197718°F 198939%4%
Apr 1158°F40°F84°F 197725°F 197339%4%
Apr 1259°F40°F85°F 197125°F 197639%4%
Apr 1359°F41°F83°F 202324°F 198039%4%
Apr 1459°F41°F85°F 200327°F 196639%3%
Apr 1560°F42°F88°F 200226°F 201440%3%
Apr 1660°F42°F87°F 200224°F 196240%3%
Apr 1761°F42°F87°F 197726°F 198340%3%
Apr 1861°F43°F89°F 200223°F 198340%3%
Apr 1961°F43°F86°F 198522°F 198340%3%
Apr 2062°F43°F87°F 198527°F 198340%2%
Apr 2162°F44°F88°F 198527°F 198640%2%
Apr 2263°F44°F91°F 198024°F 198640%2%
Apr 2363°F44°F86°F 196025°F 198640%2%
Apr 2463°F45°F87°F 199025°F 196741%2%
Apr 2564°F45°F87°F 199028°F 196741%2%
Apr 2664°F46°F89°F 198627°F 200641%2%
Apr 2765°F46°F87°F 198631°F 196741%1%
Apr 2865°F46°F84°F 202528°F 199241%1%
Apr 2965°F47°F86°F 197030°F 196141%1%
Apr 3066°F47°F85°F 200131°F 200841%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Westchester, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:34 AM, sunset 7:17 PM
April 30
sunrise 5:49 AM, sunset 7:49 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111577 (Chicago Midway AP 3SW), public domain. Records: NOAA GHCN-Daily, station USW00094846, 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.