Blue Grass climate

Blue Grass Weather in April

NOAA 1991-2020 normals for Rock Island L&d 15, 16.8 km from Blue Grass

Average highs run from 56°F on April 1 to 67°F on April 30, and lows from 34°F to 45°F. Normal precipitation for the month is 3.81 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 Blue Grass, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
61°F
Average low
39°F
Precipitation
3.81 in
Snowfall
1.1 in
Record high
88°FApr 18, 2002
Record low
14°FApr 7, 2018
Chance of a freeze
96%
Daylight
12 h 42 min to 13 h 59 min
Cloud cover
65%
Humidity
74%
Dew point
41°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 156°F34°F85°F 201020°F 201836%5%
Apr 256°F34°F79°F 200315°F 201837%5%
Apr 357°F34°F82°F 201117°F 201337%5%
Apr 457°F35°F82°F 200518°F 201837%5%
Apr 557°F35°F80°F 202122°F 200237%5%
Apr 658°F36°F79°F 202119°F 201838%4%
Apr 758°F36°F79°F 200114°F 201838%4%
Apr 859°F36°F80°F 200115°F 201838%4%
Apr 959°F37°F79°F 201715°F 199739%4%
Apr 1059°F37°F83°F 201124°F 201839%4%
Apr 1160°F38°F80°F 202323°F 200439%3%
Apr 1260°F38°F83°F 202321°F 201639%3%
Apr 1361°F38°F86°F 200619°F 199740%3%
Apr 1461°F39°F86°F 200323°F 199740%3%
Apr 1561°F39°F86°F 200221°F 202040%3%
Apr 1662°F40°F87°F 200223°F 202040%3%
Apr 1762°F40°F85°F 200424°F 202241%2%
Apr 1862°F40°F88°F 200226°F 200141%2%
Apr 1963°F41°F80°F 200526°F 202241%2%
Apr 2063°F41°F82°F 201426°F 201841%2%
Apr 2164°F42°F85°F 200126°F 202141%2%
Apr 2264°F42°F85°F 200727°F 202142%2%
Apr 2364°F42°F83°F 202624°F 201542%2%
Apr 2465°F43°F82°F 200927°F 202342%1%
Apr 2565°F43°F82°F 201630°F 199742%1%
Apr 2665°F43°F83°F 202127°F 200642%1%
Apr 2766°F44°F85°F 202131°F 200442%1%
Apr 2866°F44°F87°F 202530°F 201842%1%
Apr 2966°F45°F85°F 200728°F 201843%1%
Apr 3067°F45°F88°F 200731°F 200543%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Blue Grass, 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 6:46 AM, sunset 7:28 PM
April 30
sunrise 6:01 AM, sunset 8:00 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00117391 (Rock Island L&d 15), public domain. Records: NOAA GHCN-Daily, station USW00094982, 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.