TODAY JUN24
TEMPERATURE75
HUMIDITY90
PRESSURE29.79
WIND COND.150 5.8
  • 8358Mon
  • 7762Tue
  • 8068Wed30%
  • 8369Thu40%30%
  • 8771Fri
daynightWeather update from White Plains - Westchester County Airport at

Port Chester 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
January-2°F70°F31°F2.4"
February6°F63°F31°F2.3"
March8°F75°F38°F3.0"
April25°F89°F50°F4.4"
May34°F91°F58°F3.0"
June39°F95°F68°F5.4"
July53°F94°F73°F3.4"
August51°F97°F72°F3.2"
September43°F90°F65°F2.5"
October29°F88°F54°F6.1"
November19°F73°F46°F2.9"
December7°F66°F35°F3.7"

Did you know?

  • The highest monthly average temperature in Port Chester for July is 73 degrees.
  • The lowest monthly average temperature in Port Chester for February is 31 degrees.
  • The most monthly precipitation in Port Chester occurs in October with 6.1 inches.
  • The air quality index in Port Chester is 6% worse than the national average.
  • The pollution index in Port Chester is 234% worse than the national average.

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Compare Port Chester, NY Weather To Other Cities

Port Chester 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.
IndexPort ChesterNew YorkNational
Air quality index534350
Pollution index16,950,7009,373,0575,066,862

Port Chester air quality information

MeasurementTotal
Days measured365
Days with good air quality161
Days with moderate air quality189
Days w/ poor A.Q. for sensitive groups15
Days with unhealthy air quality

Port Chester air quality information

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

Average monthly Port Chester temperature with heat index

Port Chester monthly precipitation with daily maximum

Port Chester monthly snow depth with daily maximum

Port Chester monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Croton-on-Hudson, NY8,2093628%
Thornwood, NY4,006476%
Darien, CT21,519476%
Old Greenwich, CT7,000476%
Wilton Center, CT675476%
Port Chester, NY29,417536%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Savage, MN29,3994412%
Lebanon, TN29,4394510%
Morristown, TN29,3953922%
DeLand, FL29,4423530%
Port Huron, MI29,388524%
Port Chester, NY29,417536%
Source: The Port Chester, NY 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.