TODAY NOV02
TEMPERATURE58
HUMIDITY41
PRESSURE102438.26
WIND COND.350 13
  • 5531Sun
  • 5950Mon
  • 6858Tue
  • 7053Wed
  • 6650Thu
daynightWeather update from East Hampton Town Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Northwest Harbor for July is 74.8 degrees
  • The lowest monthly average temperature in Northwest Harbor for February is 35 degrees
  • The most monthly precipitation in Northwest Harbor occurs in October with 13.5 inches
  • The air quality index in Northwest Harbor is 12% better than the national average
  • The pollution index in Northwest Harbor is 51% worse than the national average

Compare Northwest Harbor, NY Weather

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      Northwest Harbor 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
      January31°F39°F36°F4.2"
      February30°F40°F35°F3.0"
      March36°F46°F41°F6.5"
      April45°F56°F51°F7.6"
      May55°F65°F60°F6.6"
      June63°F73°F68°F3.1"
      July69°F79°F75°F5.8"
      August67°F78°F73°F6.3"
      September63°F72°F68°F8.5"
      October54°F63°F59°F13.5"
      November44°F53°F49°F7.3"
      December35°F44°F40°F6.0"

      Northwest Harbor 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.
      IndexNorthwest HarborNew YorkNational
      Air quality index374342
      Pollution index4,117,2506,179,2752,726,193

      Northwest Harbor air quality

      MeasurementTotal
      Days measured364
      Days with good air quality323
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Northwest Harbor temperature with heat index

      Northwest Harbor monthly precipitation with daily maximum

      Northwest Harbor monthly snow depth with daily maximum

      Northwest Harbor monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Amagansett, NY5103726.0%
      East Hampton, NY9203726.0%
      Montauk, NY3,5633726.0%
      Orient, NY1,0233726.0%
      East Hampton North, NY4,1803726.0%
      Northwest Harbor, NY4,1383726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Red Lake, ON4,137n/a 
      Haleyville, AL4,1393726.0%
      North Wilkesboro, NC4,1392648.0%
      Grafton, ND4,1393334.0%
      Falls City, NE4,1394314.0%
      Northwest Harbor, NY4,1383726.0%
      Source: The Northwest Harbor, 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.