National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Hazardous Weather Conditions

Current Conditions

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Groton CT

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Tonight

Fog

Fog

Low: 56 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 57 °F

Tuesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 34 °F

Wednesday

Rain Chance for Measurable Precipitation 90%

Rain

High: 43 °FFalling Temperatures

Wednesday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 33 °F

Thanksgiving
Day

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 42 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 28 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Detailed Forecast

  • Tonight Widespread fog before 7pm. Otherwise, mostly cloudy, with a low around 56. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 33 mph.
  • Tuesday Mostly sunny, with a high near 57. West wind 15 to 18 mph, with gusts as high as 30 mph.
  • Tuesday Night A slight chance of rain after 3am. Increasing clouds, with a low around 34. Northwest wind 6 to 11 mph. Chance of precipitation is 20%.
  • Wednesday Rain, mainly after 9am. Temperature falling to around 37 by 4pm. Wind chill values between 30 and 40. North wind 6 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
  • Wednesday Night Rain before 2am, then snow likely. Low around 33. Breezy, with a north wind 15 to 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
  • Thanksgiving Day A chance of snow showers before 9am, then a slight chance of rain showers between 9am and 10am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
  • Thursday Night Mostly cloudy, with a low around 28.
  • Friday Mostly sunny, with a high near 39.
  • Friday Night Partly cloudy, with a low around 30.
  • Saturday Partly sunny, with a high near 42.
  • Saturday Night Mostly cloudy, with a low around 29.
  • Sunday Mostly sunny, with a high near 42.
  • Sunday Night Partly cloudy, with a low around 32.
  • Monday