TODAY NOV25
TEMPERATURE43
HUMIDITY100
PRESSURE101050
WIND COND.330 14.8
  • 3727Tue
  • 3920Wed
  • 3015
  • 2613Fri
  • 249Sat
daynightWeather update from Monticello Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Worthington for July is 72.1 degrees
  • The lowest monthly average temperature in Worthington for January is 19.4 degrees
  • The most monthly precipitation in Worthington occurs in July with 6.9 inches
  • The air quality index in Worthington is 31% better than the national average
  • The pollution index in Worthington is 78% better than the national average

Compare Worthington, IA Weather

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      Worthington Average Temperature

      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
      January10°F29°F19°F1.4"
      February12°F32°F22°F1.9"
      March25°F47°F36°F2.3"
      April36°F62°F49°F4.9"
      May47°F72°F59°F4.5"
      June58°F81°F69°F5.3"
      July61°F84°F72°F6.9"
      August59°F81°F70°F4.2"
      September51°F76°F63°F3.2"
      October40°F63°F51°F3.4"
      November28°F49°F38°F2.2"
      December15°F33°F24°F2.5"

      Worthington 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.
      IndexWorthingtonIowaNational
      Air quality index293942
      Pollution index586,1751,154,5352,726,193

      Worthington air quality

      MeasurementTotal
      Days measured365
      Days with good air quality304
      Days with moderate air quality60
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.090%
      Mercury0.000%

      Average monthly Worthington temperature with heat index

      Worthington monthly precipitation with daily maximum

      Worthington monthly snow depth with daily maximum

      Worthington monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Peosta, IA1,9642942.0%
      Cascade, IA2,1042942.0%
      Bernard, IA1402942.0%
      Rickardsville, IA2152942.0%
      Farley, IA1,7332942.0%
      Worthington, IA3602942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kipnuk, AK3603138.0%
      Muir Beach, CA3604020.0%
      Fisher Island, FL3604118.0%
      Malta, ID3602060.0%
      Protection, KS3601570.0%
      Worthington, IA3602942.0%
      Source: The Worthington, IA 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.