TODAY AUG20
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7860Tue30%30%
  • 7653Wed
  • 7757Thu
  • 7866Fri
  • 8469Sat
daynightWeather update from University of Illinois - Willard at

Longview 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
January22°F36°F29°F6.9"
February19°F34°F26°F3.4"
March33°F54°F42°F3.3"
April41°F65°F52°F5.8"
May52°F78°F65°F3.4"
June63°F85°F74°F6.1"
July63°F83°F73°F5.8"
August65°F86°F75°F5.4"
September57°F83°F69°F7.0"
October46°F69°F57°F5.6"
November33°F53°F42°F7.3"
December21°F35°F27°F3.7"

Did you know?

  • The highest monthly average temperature in Longview for August is 75 degrees.
  • The lowest monthly average temperature in Longview for February is 26 degrees.
  • The most monthly precipitation in Longview occurs in November with 7.3 inches.
  • The air quality index in Longview is 27% better than the national average.
  • The pollution index in Longview is 70% better than the national average.

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Compare Longview, IL Weather To Other Cities

Longview 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.
IndexLongviewIllinoisNational
Air quality index364150
Pollution index1,494,1603,347,2955,066,862

Longview air quality information

MeasurementTotal
Days measured365
Days with good air quality311
Days with moderate air quality54
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Longview air quality information

PollutantTotal
Arsenic0.010%
Benzene0.040%
Carbon Tetrachloride0.290%
Lead0.010%
Mercury0.010%

Average monthly Longview temperature with heat index

Longview monthly precipitation with daily maximum

Longview monthly snow depth with daily maximum

Longview monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Allerton, IL2883628%
Camargo, IL5123628%
Hume, IL4053628%
Philo, IL1,6273628%
Sidney, IL1,3633628%
Longview, IL1373628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Havelock, IA1373726%
Devol, OK1372648%
Bonita, LA1375612%
Oak Ridge, LA1375612%
Gene Autry, OK1374314%
Longview, IL1373628%
Source: The Longview, 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.