TODAY AUG17
TEMPERATURE81
HUMIDITY77
PRESSURE30.06
WIND COND.240 4.7
  • 8773Fri40%60%
  • 8570Sat50%40%
  • 7664Sun30%
  • 7766Mon
  • 7970Tue40%
daynightWeather update from Bridgeport, Sikorsky Memorial Airport at

Southport 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
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"

Did you know?

  • The highest monthly average temperature in Southport for July is 76 degrees.
  • The lowest monthly average temperature in Southport for January is 32 degrees.
  • The most monthly precipitation in Southport occurs in December with 5.4 inches.
  • The air quality index in Southport is 5% better than the national average.
  • The pollution index in Southport is 234% worse than the national average.

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Compare Southport, CT Weather To Other Cities

Southport 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.
IndexSouthportConnecticutNational
Air quality index474350
Pollution index16,950,7007,127,5315,066,862

Southport air quality information

MeasurementTotal
Days measured365
Days with good air quality200
Days with moderate air quality146
Days w/ poor A.Q. for sensitive groups18
Days with unhealthy air quality1

Southport air quality information

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

Average monthly Southport temperature with heat index

Southport monthly precipitation with daily maximum

Southport monthly snow depth with daily maximum

Southport monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Darien, CT21,519476%
Norwalk, CT87,930476%
Westport, CT27,511476%
Eatons Neck, NY1,506476%
Poquott, NY868476%
Southport, CT1,694476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rossville, IL1,6943628%
Norwood, NY1,6942354%
Lebanon, NJ1,6934020%
Guthrie, KY1,6934118%
Charlotte, TN1,6964118%
Southport, CT1,694476%
Source: The Southport, 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.