Westerly, RI Weather - Forecast & Monthly Averages

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TEMPERATURE	54
HUMIDITY	30
PRESSURE	100948.24
WIND COND.	320 14.8

Weather Quick Facts

The highest monthly average temperature in Westerly for August is 71.4 degrees
The lowest monthly average temperature in Westerly for February is 28.7 degrees
The most monthly precipitation in Westerly occurs in April with 10.1 inches
The air quality index in Westerly is 12% better than the national average
The pollution index in Westerly is 9% worse than the national average

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Westerly 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	23°F	39°F	31°F	5.1"
February	21°F	37°F	29°F	3.7"
March	26°F	44°F	36°F	7.9"
April	36°F	55°F	46°F	10.1"
May	46°F	65°F	55°F	5.8"
June	57°F	75°F	65°F	4.6"
July	62°F	80°F	70°F	3.4"
August	63°F	81°F	71°F	4.1"
September	57°F	76°F	66°F	5.3"
October	49°F	65°F	56°F	9.3"
November	35°F	54°F	45°F	6.2"
December	26°F	41°F	33°F	5.6"

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Westerly 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	Westerly	Rhode Island	National
Air quality index	37	45	42
Pollution index	2,960,790	3,440,259	2,726,193

Westerly air quality

Measurement	Total
Days measured	364
Days with good air quality	323
Days with moderate air quality	34
Days w/ poor A.Q. for sensitive groups	7
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.003%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.020%
Mercury	0.005%

Average monthly Westerly temperature with heat index

Westerly monthly precipitation with daily maximum

Westerly monthly snow depth with daily maximum

Westerly monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Mashantucket, CT	230	37	26.0%
Old Mystic, CT	3,409	37	26.0%
Charlestown, RI	1,440	37	26.0%
Misquamicut, RI	392	37	26.0%
Noank, CT	1,502	37	26.0%
Westerly, RI	18,517	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Avon, IN	18,517	54	8.0%
Russell, ON	18,518	n/a
Sheridan, WY	18,519	39	22.0%
Canby, OR	18,522	38	24.0%
Dover, NJ	18,528	34	32.0%
Westerly, RI	18,517	37	26.0%

Source: The Westerly, RI 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.