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.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed W 7 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 10 Jan 1:56 am EST
Extended Forecast for

New London CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Northwest wind 10 to 13 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 45. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Partly Sunny
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 40. East wind 8 to 13 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a west wind 10 to 20 mph.

    High: 44 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 21 to 24 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Northwest wind 10 to 13 mph.
Saturday
Rain, mainly after 4pm. High near 45. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 40. East wind 8 to 13 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a west wind 10 to 20 mph.
Sunday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 21 to 24 mph.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.34°N 72.08°W (Elev. 36 ft)
Last Update:
6:02 pm EST Jan 9, 2026
Forecast Valid:
2am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation