Old Westbury, NY Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	52
PRESSURE	101220
WIND COND.	190 11.2

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Weather Quick Facts

The highest monthly average temperature in Old Westbury for July is 75.7 degrees
The lowest monthly average temperature in Old Westbury for January is 33 degrees
The most monthly precipitation in Old Westbury occurs in December with 4.5 inches
The air quality index in Old Westbury is 21% worse than the national average
The pollution index in Old Westbury is 720% worse than the national average

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Old Westbury Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	25°F	41°F	33°F	2.7"
February	25°F	42°F	33°F	2.3"
March	32°F	50°F	40°F	3.3"
April	42°F	60°F	51°F	3.7"
May	52°F	70°F	60°F	3.4"
June	61°F	78°F	69°F	4.3"
July	68°F	84°F	76°F	3.2"
August	66°F	83°F	74°F	3.4"
September	60°F	76°F	68°F	3.2"
October	50°F	66°F	57°F	3.5"
November	39°F	55°F	47°F	2.5"
December	32°F	46°F	39°F	4.5"

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Old Westbury 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.
Index	Old Westbury	New York	National
Air quality index	51	43	42
Pollution index	22,367,000	6,179,275	2,726,193

Old Westbury air quality

Measurement	Total
Days measured	365
Days with good air quality	169
Days with moderate air quality	180
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.040%
Benzene	0.180%
Carbon Tetrachloride	0.070%
Lead	0.050%
Mercury	0.050%

Average monthly Old Westbury temperature with heat index

Old Westbury monthly precipitation with daily maximum

Old Westbury monthly snow depth with daily maximum

Old Westbury monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cold Spring Harbor, NY	2,864	43	14.0%
Laurel Hollow, NY	1,967	43	14.0%
Byram, CT	4,855	43	14.0%
East Northport, NY	20,085	43	14.0%
Halesite, NY	2,483	43	14.0%
Old Westbury, NY	4,618	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Charlotte Harbor, FL	4,619	36	28.0%
Cobleskill, NY	4,616	37	26.0%
Barrhead, AB	4,616	n/a
Three Points, AZ	4,620	47	6.0%
Hawaiian Beaches, HI	4,621	16	68.0%
Old Westbury, NY	4,618	51	2.0%

Source: The Old Westbury, 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.