TODAY AUG22
TEMPERATURE71
HUMIDITY79
PRESSURE29.98
WIND COND.120 8.1
  • 8867Fri40%
  • 7464Sat70%60%
  • 7768Sun50%40%
  • 8369Mon40%50%
  • 8467Tue40%30%
daynightWeather update from White Plains - Westchester County Airport at

Thornwood Average Weather

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"

Did you know?

  • The highest monthly average temperature in Thornwood for July is 74 degrees.
  • The lowest monthly average temperature in Thornwood for January is 30 degrees.
  • The most monthly precipitation in Thornwood occurs in June with 5.1 inches.
  • The air quality index in Thornwood is 5% better than the national average.
  • The pollution index in Thornwood is 234% worse than the national average.

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Compare Thornwood, NY Weather To Other Cities

Thornwood 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.
IndexThornwoodNew YorkNational
Air quality index474350
Pollution index16,950,7009,373,0575,066,862

Thornwood air quality information

MeasurementTotal
Days measured365
Days with good air quality200
Days with moderate air quality146
Days w/ poor A.Q. for sensitive groups18
Days with unhealthy air quality1

Thornwood air quality information

PollutantTotal
Arsenic0.030%
Benzene0.140%
Carbon Tetrachloride0.070%
Lead0.080%
Mercury0.030%

Average monthly Thornwood temperature with heat index

Thornwood monthly precipitation with daily maximum

Thornwood monthly snow depth with daily maximum

Thornwood monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Shenorock, NY1,9913628%
West Haverstraw, NY10,3343628%
Yorktown Heights, NY1,7193628%
Shrub Oak, NY2,2163628%
Thiells, NY5,3653628%
Thornwood, NY4,006476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Silver Lake, NJ4,007536%
Spencer, OK4,007476%
Smithville, TX4,0084118%
Cortez, FL4,0043824%
Four Corners, MT4,0032452%
Thornwood, NY4,006476%
Source: The Thornwood, 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.