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Old Saybrook, CT Weather


Old Saybrook, CT 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 30's.

The warmest month of the year is July with an average maximum temperature of 80.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 23.70 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 14 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.

The annual average precipitation at Old Saybrook is 45.91 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.59 Inches.

Weather Data

Current Conditions

(Updated: 8:56 AM EST MON NOV 23 2009)

Overcast Overcast, 48°F Humidity: 80% Dewpoint: 42°F
Wind Speed: NE 11.5 MPH (10 KT) Heat Index: 48°F
Barometer: 30.44 in. Wind Chill: 43°F

Weather Forecast

(Generated: 4:00 AM EST MON NOV 23 2009)
Hi: 49°F Today: Cloudy. Light rain or drizzle this afternoon. Highs in the upper 40s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.
Lo: 45°F
Hi: 51°F Tuesday: Cloudy. Light rain or drizzle likely...Mainly in the morning. Highs in the lower 50s. Northeast winds 10 to 15 mph. Chance of rain 60 percent.
Lo: 39°F
Hi: 59°F Wednesday: Sunny in the morning...Then becoming mostly cloudy. Highs in the upper 50s. Northeast winds around 5 mph.
Lo: 45°F
Hi: 55°F Thanksgiving day: Cloudy with a chance of light rain. Highs in the mid 50s. Chance of rain 40 percent.
Lo: 45°F
Hi: 51°F Friday: Cloudy. Rain likely...Mainly in the morning. Highs in the lower 50s. Chance of rain 60 percent.
Lo: 35°F
Hi: 45°F Saturday: Partly sunny with a 30 percent chance of rain showers. Highs in the mid 40s.
Lo: 35°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
6:16 AM EST
Sunrise:
6:46 AM EST
Sunset:
4:24 PM EST
Civil Twilight:
4:54 PM EST

Normal Climate

Normal Temperatures

(GREENPORT POWER HOUSE Weather station, 13.03 miles from Old Saybrook)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 37.9 38.9 46.1 55.1 65.7 74.4 80.1 79.4 72.7 62.8 53.2 43.4 59.1
Mean °F 30.8 31.9 38.7 47.4 57.7 66.8 72.9 72.3 65.7 55.4 46.5 36.6 51.9
Min °F 23.7 24.8 31.3 39.7 49.6 59.1 65.6 65.1 58.6 48.0 39.8 29.8 44.6

Normal Precipitation

(GREENPORT POWER HOUSE Weather station, 13.03 miles from Old Saybrook)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 4.11 3.51 4.02 4.09 3.47 3.73 3.15 4.59 3.55 3.72 4.04 3.93 45.91