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

49°F

9°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 48°F (9°C)
Visibility 1.75 mi
Wind Chill46°F (8°C)
Last update 3 Apr 9:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.

    Low: 50 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 63 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 39. East wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 58. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 38. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 63. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 39. East wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 58. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 38. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow showers before 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
10pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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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