TODAY SEP24
TEMPERATURE64
HUMIDITY65
PRESSURE30.05
WIND COND.300 16.6
  • 7559Sat20%
  • 7457Sun
  • 7559Mon
  • 7659Tue
  • 7457Wed
daynightWeather update from White Plains - Westchester County Airport at

Key findings

  • The highest monthly average temperature in Locust Valley for July is 75.7 degrees
  • The lowest monthly average temperature in Locust Valley for January is 33 degrees
  • The most monthly precipitation in Locust Valley occurs in December with 4.5 inches
  • The air quality index in Locust Valley is 3% worse than the national average
  • The pollution index in Locust Valley is 341% worse than the national average

Compare Locust Valley, NY Weather

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      Locust Valley 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
      January25°F41°F33°F2.7"
      February25°F42°F33°F2.3"
      March32°F50°F40°F3.3"
      April42°F60°F51°F3.7"
      May52°F70°F60°F3.4"
      June61°F78°F69°F4.3"
      July68°F84°F76°F3.2"
      August66°F83°F74°F3.4"
      September60°F76°F68°F3.2"
      October50°F66°F57°F3.5"
      November39°F55°F47°F2.5"
      December32°F46°F39°F4.5"

      Locust Valley 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.
      IndexLocust ValleyNew YorkNational
      Air quality index514350
      Pollution index22,367,0009,373,0575,066,862

      Locust Valley air quality information

      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

      Locust Valley air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.180%
      Carbon Tetrachloride0.070%
      Lead0.050%
      Mercury0.050%

      Average monthly Locust Valley temperature with heat index

      Locust Valley monthly precipitation with daily maximum

      Locust Valley monthly snow depth with daily maximum

      Locust Valley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Glenville, CT2,3024314%
      Greenwich, CT13,4294314%
      Stamford, CT127,4104314%
      Centerport, NY5,2514314%
      Fort Salonga, NY9,8354314%
      Locust Valley, NY3,229512%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Taylor Creek, OH3,229548%
      Kings Beach, CA3,2304412%
      Berwyn, PA3,228512%
      Rollingwood, CA3,2314020%
      Battle Mountain, NV3,2271472%
      Locust Valley, NY3,229512%
      Source: The Locust Valley, 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.