TODAY DEC23
TEMPERATURE11
HUMIDITY55
PRESSURE103420
WIND COND.340 22.3
  • 2925Mon
  • 3824Tue40%
  • 3523
  • 3727Thu
  • 3827Fri
daynightWeather update from White Plains - Westchester County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Harrison for July is 74.5 degrees
  • The lowest monthly average temperature in Harrison for January is 30.4 degrees
  • The most monthly precipitation in Harrison occurs in June with 5.1 inches
  • The air quality index in Harrison is 21% worse than the national average
  • The pollution index in Harrison is 16% better than the national average

Compare Harrison, NY Weather

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      Harrison 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°F39°F30°F3.0"
      February23°F40°F31°F2.6"
      March30°F49°F39°F3.5"
      April41°F62°F50°F4.2"
      May50°F71°F60°F4.2"
      June60°F79°F69°F5.1"
      July66°F84°F74°F4.4"
      August64°F82°F72°F4.2"
      September57°F77°F66°F4.3"
      October47°F65°F55°F5.1"
      November37°F54°F45°F3.1"
      December29°F44°F36°F4.5"

      Harrison 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.
      IndexHarrisonNew YorkNational
      Air quality index514342
      Pollution index2,299,9306,179,2752,726,193

      Harrison air quality

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      Average monthly Harrison temperature with heat index

      Harrison monthly precipitation with daily maximum

      Harrison monthly snow depth with daily maximum

      Harrison monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rye Brook, NY9,5544314.0%
      Old Greenwich, CT6,9804314.0%
      Chappaqua, NY2,6284314.0%
      Centre Island, NY3824314.0%
      Laurel Hollow, NY1,9674314.0%
      Harrison, NY28,363512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Saskatchewan, AB28,368n/a 
      Englewood, NJ28,390512.0%
      Saugus, MA28,3264314.0%
      Aberdeen, SD28,3152060.0%
      Temescal Valley, CA28,4208978.0%
      Harrison, NY28,363512.0%
      Source: The Harrison, 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.