Forest Lake climate

Forest Lake Weather in April

NOAA 1991-2020 normals for Mundelein 4 Wsw, 5.5 km from Forest Lake

Average highs run from 51°F on April 1 to 62°F on April 30, and lows from 31°F to 42°F. Normal precipitation for the month is 3.95 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 Forest Lake, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
57°F
Average low
36°F
Precipitation
3.95 in
Snowfall
1.8 in
Record high
88°FApr 15, 2002
Record low
20°FApr 9, 1997
Chance of a freeze
100%
Daylight
12 h 43 min to 14 h 02 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 151°F31°F83°F 201024°F 201837%7%
Apr 251°F31°F81°F 201021°F 201837%7%
Apr 351°F32°F73°F 199922°F 201337%6%
Apr 452°F32°F76°F 201025°F 200237%6%
Apr 552°F32°F76°F 200521°F 200238%6%
Apr 653°F33°F81°F 202122°F 200738%6%
Apr 753°F33°F83°F 200120°F 201838%5%
Apr 854°F33°F77°F 200121°F 201838%5%
Apr 954°F34°F75°F 201720°F 199738%5%
Apr 1054°F34°F84°F 201121°F 199738%5%
Apr 1155°F34°F81°F 202328°F 200039%5%
Apr 1255°F35°F85°F 202325°F 200039%4%
Apr 1356°F35°F85°F 202329°F 199739%4%
Apr 1456°F35°F85°F 202325°F 199739%4%
Apr 1556°F36°F88°F 200224°F 201439%4%
Apr 1657°F36°F88°F 200227°F 201440%4%
Apr 1757°F37°F85°F 200228°F 200140%3%
Apr 1858°F37°F88°F 200226°F 199740%3%
Apr 1958°F37°F81°F 200531°F 200140%3%
Apr 2058°F38°F80°F 202329°F 201341%3%
Apr 2159°F38°F82°F 200131°F 201141%3%
Apr 2259°F38°F82°F 200728°F 202141%2%
Apr 2360°F39°F84°F 202228°F 201541%2%
Apr 2460°F39°F84°F 200928°F 201541%2%
Apr 2560°F40°F83°F 201630°F 202442%2%
Apr 2661°F40°F79°F 202129°F 200642%2%
Apr 2761°F40°F88°F 202131°F 202342%2%
Apr 2862°F41°F83°F 202530°F 201942%2%
Apr 2962°F41°F82°F 200729°F 201842%2%
Apr 3062°F42°F85°F 201330°F 200842%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Forest Lake, 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 6:35 AM, sunset 7:18 PM
April 30
sunrise 5:49 AM, sunset 7:51 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115961 (Mundelein 4 Wsw), 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.