TODAY AUG14
TEMPERATURE70
HUMIDITY91
PRESSURE30.03
WIND COND.
  • 7766Wed60%60%
  • 8063Thu30%40%
  • 8062Fri30%
  • 8261Sat
  • 8264Sun
daynightWeather update from Rochelle, Rochelle Municipal-Koritz Field Airport at

Hillcrest Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January14°F30°F22°F3.8"
February14°F32°F23°F3.4"
March29°F48°F37°F4.3"
April39°F62°F50°F4.5"
May50°F74°F61°F5.4"
June59°F81°F70°F6.7"
July61°F82°F71°F6.0"
August59°F81°F69°F6.4"
September51°F76°F63°F3.8"
October41°F63°F51°F7.1"
November29°F48°F38°F3.9"
December19°F34°F26°F3.6"

Did you know?

  • The highest monthly average temperature in Hillcrest for July is 71 degrees.
  • The lowest monthly average temperature in Hillcrest for January is 22 degrees.
  • The most monthly precipitation in Hillcrest occurs in October with 7.1 inches.
  • The air quality index in Hillcrest is 37% better than the national average.
  • The pollution index in Hillcrest is 66% better than the national average.

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Compare Hillcrest, IL Weather To Other Cities

Hillcrest air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexHillcrestIllinoisNational
Air quality index314150
Pollution index1,721,0903,347,2955,066,862

Hillcrest air quality information

MeasurementTotal
Days measured365
Days with good air quality339
Days with moderate air quality26
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Hillcrest air quality information

PollutantTotal
Arsenic0.001%
Benzene0.020%
Carbon Tetrachloride0.001%
Lead0.002%
Mercury0.000%

Average monthly Hillcrest temperature with heat index

Hillcrest monthly precipitation with daily maximum

Hillcrest monthly snow depth with daily maximum

Hillcrest monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lee, IL358198%
Shabbona, IL982198%
Rochelle, IL9,3853138%
Creston, IL7203138%
Malta, IL1,0413138%
Hillcrest, IL1,2583138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Milner, GA1,2584118%
Stony Prairie, OH1,2573628%
Yates Center, KS1,2572354%
Barre, MA1,2593824%
Scotland Neck, NC1,2573432%
Hillcrest, IL1,2583138%
Source: The Hillcrest, IL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.