Chester climate

Chester Weather in April

NOAA 1991-2020 normals for Kaskaskia Rvr Navigation Lock, 13.4 km from Chester

Average highs run from 63°F on April 1 to 72°F on April 30, and lows from 39°F to 49°F. Normal precipitation for the month is 4.67 in over about 10 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 Chester, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
68°F
Average low
44°F
Precipitation
4.67 in
Record high
99°FApr 28, 1989
Record low
22°FApr 10, 2007
Chance of a freeze
73%
Daylight
12 h 38 min to 13 h 45 min
Cloud cover
62%
Humidity
77%
Dew point
48°F
Wind
8.9 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 163°F39°F89°F 198626°F 198732%0%
Apr 263°F39°F92°F 201227°F 199232%0%
Apr 364°F40°F89°F 201223°F 198732%0%
Apr 464°F40°F85°F 201123°F 198732%0%
Apr 564°F40°F84°F 202323°F 198732%0%
Apr 665°F41°F90°F 198823°F 198232%0%
Apr 765°F41°F85°F 199123°F 199032%0%
Apr 865°F41°F87°F 198623°F 199032%0%
Apr 966°F42°F87°F 201127°F 198932%0%
Apr 1066°F42°F92°F 201122°F 200732%0%
Apr 1166°F42°F93°F 201124°F 198932%0%
Apr 1267°F43°F85°F 198124°F 198933%0%
Apr 1367°F43°F88°F 200626°F 199033%0%
Apr 1467°F43°F87°F 200630°F 199733%0%
Apr 1568°F44°F92°F 200630°F 201433%0%
Apr 1668°F44°F88°F 201030°F 198333%0%
Apr 1768°F44°F90°F 200623°F 197434%0%
Apr 1869°F45°F92°F 199130°F 201834%0%
Apr 1969°F45°F92°F 200227°F 198334%0%
Apr 2069°F45°F89°F 201729°F 198334%0%
Apr 2170°F46°F89°F 198730°F 202135%0%
Apr 2270°F46°F85°F 198730°F 198635%0%
Apr 2370°F47°F90°F 198032°F 198635%0%
Apr 2470°F47°F87°F 200732°F 202336%0%
Apr 2571°F47°F88°F 198931°F 202336%0%
Apr 2671°F48°F94°F 198933°F 197636%0%
Apr 2771°F48°F98°F 198933°F 197836%0%
Apr 2872°F48°F99°F 198931°F 199237%0%
Apr 2972°F49°F91°F 198932°F 199237%0%
Apr 3072°F49°F94°F 198735°F 197637%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chester, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:44 AM, sunset 7:22 PM
April 30
sunrise 6:04 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 USC00114629 (Kaskaskia Rvr Navigation Lock), public domain. Records: NOAA GHCN-Daily, station USC00114629, 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.