TODAY NOV21
TEMPERATURE48
HUMIDITY83
PRESSURE100030
WIND COND.
  • 4937Fri40%60%
  • 5040Sat30%20%
  • 5134Sun
  • 5638Mon30%
  • 5432Tue
daynightWeather update from Hartford, Hartford-Brainard Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Clay Arsenal for July is 75.6 degrees
  • The lowest monthly average temperature in Clay Arsenal for January is 29.7 degrees
  • The most monthly precipitation in Clay Arsenal occurs in October with 5.2 inches
  • The air quality index in Clay Arsenal is 3% better than the national average
  • The pollution index in Clay Arsenal is 3% worse than the national average

Compare Hartford, CT Weather

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      Clay Arsenal 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
      January21°F39°F30°F2.9"
      February21°F40°F31°F3.1"
      March29°F49°F39°F3.5"
      April40°F63°F51°F4.2"
      May50°F73°F61°F3.8"
      June60°F81°F70°F5.1"
      July66°F86°F76°F4.5"
      August64°F84°F73°F4.1"
      September57°F78°F67°F3.5"
      October46°F66°F55°F5.2"
      November35°F54°F44°F3.3"
      December27°F43°F35°F4.2"

      Clay Arsenal 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.
      IndexClay ArsenalHartfordConnecticut
      Air quality index414143
      Pollution index2,806,1502,806,1508,629,883

      Clay Arsenal air quality

      MeasurementTotal
      Days measured365
      Days with good air quality291
      Days with moderate air quality66
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.004%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.040%
      Mercury0.010%

      Average monthly Clay Arsenal temperature with heat index

      Clay Arsenal monthly precipitation with daily maximum

      Clay Arsenal monthly snow depth with daily maximum

      Clay Arsenal monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bristol, CT60,0393726.0%
      Collinsville, CT3,7293726.0%
      Hazardville, CT6,2164020.0%
      Thompsonville, CT8,5634020.0%
      Somers, CT2,3434020.0%
      Hartford, CT122,5494118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Odessa, TX122,6302844.0%
      Columbia, MO122,6593824.0%
      Wilmington, NC122,1623432.0%
      Victorville, CA122,9588978.0%
      Berkeley, CA123,0654020.0%
      Hartford, CT122,5494118.0%
      Source: The Clay Arsenal, Hartford, CT 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.