National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

36°F

2°C

Humidity 35%
Wind Speed NW 9 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 13 Mar 9:56 am EDT
Extended Forecast for

Norwich CT

  • Today

    Today: Increasing clouds, with a high near 44. West wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow before 10pm, then a chance of rain between 10pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. Breezy. Chance of precipitation is 100%.

    High: 60 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain. Low around 41. Windy. Chance of precipitation is 90%.

    Low: 41 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

Today
Increasing clouds, with a high near 44. West wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
A slight chance of snow before 10pm, then a chance of rain between 10pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 34. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 48. Breezy, with a west wind 14 to 20 mph, with gusts as high as 34 mph.
Saturday Night
Increasing clouds, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 45. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. Breezy. Chance of precipitation is 100%.
Monday Night
Rain. Low around 41. Windy. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 8am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Norwich CT
 41.54°N 72.07°W (Elev. 167 ft)
Last Update:
6:18 am EDT Mar 13, 2026
Forecast Valid:
10am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation