TODAY SEP20
TEMPERATURE75
HUMIDITY60
PRESSURE101590
WIND COND.140 16.6
  • 7652Sat
  • 7348Sun
  • 6849Mon30%
  • 6248Tue50%60%
  • 6351Wed70%70%
daynightWeather update from Griffiss International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Port Leyden for July is 70.3 degrees
  • The lowest monthly average temperature in Port Leyden for January is 22.3 degrees
  • The most monthly precipitation in Port Leyden occurs in October with 5.5 inches
  • The air quality index in Port Leyden is 36% better than the national average
  • The pollution index in Port Leyden is 92% better than the national average

Compare Port Leyden, NY Weather

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      Port Leyden 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
      January14°F31°F22°F2.3"
      February14°F32°F23°F2.6"
      March23°F43°F32°F3.0"
      April35°F59°F46°F4.0"
      May46°F71°F58°F4.6"
      June55°F78°F66°F4.8"
      July59°F82°F70°F4.2"
      August58°F80°F68°F3.6"
      September51°F75°F62°F4.0"
      October41°F62°F51°F5.5"
      November30°F49°F39°F3.3"
      December21°F37°F29°F3.8"

      Port Leyden 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 LeydenNew YorkNational
      Air quality index274342
      Pollution index230,5386,179,2752,726,193

      Port Leyden air quality information

      MeasurementTotal
      Days measured359
      Days with good air quality349
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Port Leyden air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Port Leyden temperature with heat index

      Port Leyden monthly precipitation with daily maximum

      Port Leyden monthly snow depth with daily maximum

      Port Leyden monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Boonville, NY1,9602746.0%
      Lyons Falls, NY6272746.0%
      Constableville, NY3552746.0%
      Lowville, NY3,3293530.0%
      Turin, NY4303530.0%
      Port Leyden, NY6492746.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kellogg, IA6493922.0%
      Bucklin, KS6491570.0%
      Brownsboro Farm, KY649492.0%
      Sandy Hook, KY6494216.0%
      Gibsland, LA6493922.0%
      Port Leyden, NY6492746.0%
      Source: The Port Leyden, 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.