TODAY JUN25
TEMPERATURE67
HUMIDITY92
PRESSURE30.06
WIND COND.80 9.2
  • 8167Mon20%
  • 8369Tue60%70%
  • 8468Wed50%
  • 8873Thu20%
  • 9275Fri
daynightWeather update from Illinois Valley Regional Airport at

Mark 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
January-11°F66°F28°Fn/a
February-8°F57°F26°Fn/a
March10°F79°F39°Fn/a
April25°F90°F53°Fn/a
May27°F95°F62°Fn/a
June48°F97°F73°Fn/a
July50°F106°F75°Fn/a
August54°F99°F73°Fn/a
September36°F93°F67°Fn/a
October27°F90°F55°Fn/a
November12°F75°F42°Fn/a
December-8°F55°F28°Fn/a

Did you know?

  • The highest monthly average temperature in Mark for July is 75 degrees.
  • The lowest monthly average temperature in Mark for February is 26 degrees.
  • The most monthly precipitation in Mark occurs in January with 0 inches.
  • The air quality index in Mark is 97% better than the national average.
  • The pollution index in Mark is 93% better than the national average.

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Compare Mark, IL Weather To Other Cities

Mark 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.
IndexMarkIllinoisNational
Air quality index14150
Pollution index339,1563,347,2955,066,862

Mark air quality information

MeasurementTotal
Days measured351
Days with good air quality351
Days with moderate air quality
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Mark air quality information

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

Average monthly Mark temperature with heat index

Mark monthly precipitation with daily maximum

Mark monthly snow depth with daily maximum

Mark monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bureau Junction, IL219198%
De Pue, IL1,661198%
Leonore, IL90198%
Malden, IL309198%
Princeton, IL7,741198%
Mark, IL530198%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gays Mills, WI5304020%
Paradise Park, CA5303628%
Niantic, IL5303922%
Cuyamungue, NM5304118%
Hartley, TX5304020%
Mark, IL530198%
Source: The Mark, 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.