TODAY MAY15
TEMPERATURE74
HUMIDITY28
PRESSURE30.21
WIND COND.200 14.8
  • 7251Sun20%20%
  • 7152Mon
  • 7255Tue
  • 7657Wed
  • 7755Thu
daynightWeather update from Bridgeport, Sikorsky Memorial Airport at

Key findings

  • The highest monthly average temperature in Westport for July is 75.6 degrees
  • The lowest monthly average temperature in Westport for January is 31.9 degrees
  • The most monthly precipitation in Westport occurs in December with 5.4 inches
  • The air quality index in Westport is 14% better than the national average
  • The pollution index in Westport is 235% worse than the national average

Compare Westport, CT Weather

      vs
      How would you rate the weather in Westport?
      Write a review to give others more information about this area.
      How would you rate the air quality in Westport?
      Write a review to give others more information about this area.
      See all Westport poll results

      Westport 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
      January23°F41°F32°F3.3"
      February23°F42°F32°F3.6"
      March30°F50°F39°F4.0"
      April41°F62°F50°F4.3"
      May50°F71°F59°F3.9"
      June60°F80°F69°F4.9"
      July67°F85°F76°F3.5"
      August66°F84°F74°F4.2"
      September59°F78°F68°F3.8"
      October48°F67°F57°F4.7"
      November38°F56°F47°F3.0"
      December29°F46°F38°F5.4"

      Westport 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.
      IndexWestportConnecticutNational
      Air quality index434350
      Pollution index16,950,7007,127,5315,066,862

      Westport air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality3

      Westport air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.140%
      Carbon Tetrachloride0.070%
      Lead0.080%
      Mercury0.030%

      Average monthly Westport temperature with heat index

      Westport monthly precipitation with daily maximum

      Westport monthly snow depth with daily maximum

      Westport monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Derby, CT12,7554118%
      Shelton, CT40,9794118%
      Cos Cob, CT6,5354314%
      Milford city, CT52,0054314%
      Riverside, CT8,2894314%
      Westport, CT27,5114314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Bergenfield, NJ27,513512%
      Allen Park, MI27,5195612%
      Paragould, AR27,5212648%
      Seguin, TX27,543492%
      Mason City, IA27,5461570%
      Westport, CT27,5114314%
      Source: The Westport, 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.