TODAY APR20
TEMPERATURE48
HUMIDITY93
PRESSURE29.87
WIND COND.160 5.4
  • 6149Tue
  • 5934Wed80%70%
  • 5139Thu
  • 5843Fri
  • 5945Sat70%
daynightWeather update from Montauk, Montauk Airport at

Key findings

  • 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 26% better than the national average
  • The pollution index in Northwest Harbor is 19% better 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 index374350
      Pollution index4,117,2509,373,0575,066,862

      Northwest Harbor air quality information

      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

      Northwest Harbor air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      East Hampton North, NY4,1273726%
      East Marion, NY9113726%
      Napeague, NY1653726%
      Sag Harbor, NY2,1323726%
      Springs, NY6,9583726%
      Northwest Harbor, NY3,1883726%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hazel Green, AL3,1884412%
      Melbourne Beach, FL3,1893628%
      Boscobel, WI3,1872942%
      Allendale, SC3,1892942%
      Heyburn, ID3,1872060%
      Northwest Harbor, NY3,1883726%
      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.