TODAY DEC22
TEMPERATURE19
HUMIDITY39
PRESSURE103180
WIND COND.
  • 2518Mon20%
  • 3717Tue40%
  • 3118
  • 3421Thu
  • 3722Fri
daynightWeather update from Hartford, Hartford-Brainard Airport at
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Weather Quick Facts

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

Compare Wethersfield, CT Weather

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      Wethersfield 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"

      Wethersfield 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.
      IndexWethersfieldConnecticutNational
      Air quality index414342
      Pollution index2,806,1508,629,8832,726,193

      Wethersfield 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 Wethersfield temperature with heat index

      Wethersfield monthly precipitation with daily maximum

      Wethersfield monthly snow depth with daily maximum

      Wethersfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bristol, CT60,0393726.0%
      Collinsville, CT3,7293726.0%
      Moodus, CT1,8023726.0%
      East Hartford, CT50,0364118.0%
      Rockville, CT7,0844118.0%
      Wethersfield, CT26,0684118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Milford, MA26,0724020.0%
      Bessemer, AL26,063536.0%
      Amherstburg, ON26,060n/a 
      Neenah, WI26,0833726.0%
      Hercules, CA26,0904020.0%
      Wethersfield, CT26,0684118.0%
      Source: The Wethersfield, 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.