A Large Storm System Will Impact The Western U.S. This Weekend

A large storm system will deliver widespread impacts to the Western U.S. this weekend. Widespread heavy snow, heavy rain, strong thunderstorms and a number of coastal hazards will likely cause travel issues. The locally heavy rain in north-central California and southwest Oregon may cause flash flooding, especially near recent and vulnerable burn scar areas. Read More >

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Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

29°F

-2°C

Humidity	56%
Wind Speed	NW 15 G 22 mph
Barometer	30.30 in (1025.9 mb)
Dewpoint	15°F (-9°C)
Visibility	10.00 mi
Wind Chill	18°F (-8°C)
Last update	7 Dec 7:56 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Preston CT

Today

Sunny
High: 37 °F
Tonight

Clear
Low: 10 °F
Sunday

Sunny
High: 38 °F
Sunday
Night

Partly Cloudy
then Chance
Rain
Low: 36 °F⇑
Monday

Heavy Rain
High: 56 °F
Monday
Night

Heavy Rain
Low: 55 °F⇑
Tuesday

Rain
High: 59 °F
Tuesday
Night

Rain
Low: 34 °F
Wednesday

Snow Likely
High: 37 °F

Detailed Forecast

Today

Sunny, with a high near 37. Wind chill values between 20 and 30. Northwest wind 6 to 8 mph.

Tonight

Clear, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.

Sunday

Sunny, with a high near 38. Wind chill values between 10 and 20. Calm wind becoming south 5 to 7 mph in the afternoon.

Sunday Night

A 30 percent chance of rain after 4am. Increasing clouds, with a temperature rising to around 44 by 4am. South wind around 8 mph.

Monday

Rain, mainly after 10am. The rain could be heavy at times. High near 56. South wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain, mainly before 4am. The rain could be heavy at times. Temperature rising to around 59 by 1am. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Rain, mainly after 10am. High near 59. Chance of precipitation is 90%.

Tuesday Night

Rain. Low around 34. Chance of precipitation is 80%.

Wednesday

Snow likely, mainly before 10am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

Wednesday Night

Partly cloudy, with a low around 18.

Thursday

Sunny, with a high near 30.

Thursday Night

Partly cloudy, with a low around 18.