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Westerly, RI Weather


Westerly, RI climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 80.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 20.00 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Westerly is 48.72 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is November with an average rainfall of 4.51 Inches.

Weather Data

Current Conditions

(Updated: 7:53 PM EST THU DEC 4 2008)

Overcast Overcast, 47°F Humidity: 66% Dewpoint: 36°F
Wind Speed: W 5 MPH Heat Index: 47°F
Barometer: 30.06 in. Wind Chill: 45°F

Weather Forecast

(Generated: 4:10 PM EST THU DEC 04 2008)
  Tonight: Mostly cloudy. Scattered rain showers this evening. Lows in the lower 30s. West winds 10 to 15 mph...Becoming northwest 5 to 10 mph after midnight. Chance of rain 30 percent.
Lo: 31°F
Hi: 41°F Friday: Mostly sunny. Highs in the lower 40s. Northwest winds 5 to 10 mph.
Lo: 21°F
Hi: 39°F Saturday: Mostly sunny. Highs in the upper 30s. North winds around 5 mph...Becoming south in the afternoon.
Lo: 29°F
Hi: 39°F Sunday: Numerous snow showers in the morning...Then scattered snow and rain showers in the afternoon. Light snow accumulation possible. Highs in the upper 30s. Chance of precipitation 70 percent.
Lo: 21°F
Hi: 39°F Monday: Sunny. Highs in the upper 30s.
Lo: 21°F
Hi: 40°F Tuesday: Partly sunny. A chance of snow showers in the morning...Then a chance of rain and snow showers in the afternoon. Highs around 40. Chance of precipitation 40 percent.
Lo: 39°F
Hi: 45°F Wednesday: Cloudy with a 50 percent chance of rain showers. Highs in the mid 40s.
Lo: 30°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
6:24 AM EST
Sunrise:
6:55 AM EST
Sunset:
4:18 PM EST
Civil Twilight:
4:49 PM EST

Normal Climate

Normal Temperatures

(GROTON Weather station, 10.66 miles from Westerly)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 37.7 39.4 47.1 56.3 66.3 74.9 80.7 79.6 72.7 62.5 52.7 42.7 59.4
Mean °F 28.9 30.6 38.2 47.2 57.0 65.8 71.8 70.9 63.6 53.0 44.0 34.2 50.4
Min °F 20.0 21.8 29.3 38.1 47.7 56.6 62.9 62.2 54.5 43.4 35.2 25.7 41.5

Normal Precipitation

(GROTON Weather station, 10.66 miles from Westerly)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 4.39 3.54 4.46 4.23 3.79 3.67 3.31 4.46 4.06 3.98 4.51 4.32 48.72