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.

Light Rain

42°F

6°C

Humidity 89%
Wind Speed E 13 G 22 mph
Barometer 30.38 in (1028.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Apr 5:56 am EDT
Extended Forecast for

New London CT

  • Today

    Today: Showers likely before 11am. Cloudy, with a high near 43. Northeast wind 11 to 13 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 37. East wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of drizzle or light rain, mainly before 11am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 55. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance Light
    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Southeast wind 6 to 9 mph becoming southwest after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the morning.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely before 11am. Cloudy, with a high near 43. Northeast wind 11 to 13 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 37. East wind 5 to 9 mph. Chance of precipitation is 30%.
Friday
A chance of drizzle or light rain, mainly before 11am. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 55. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 50. Southeast wind 6 to 9 mph becoming southwest after midnight.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the morning.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 41.
Sunday
Showers, mainly after 8am. High near 58. Chance of precipitation is 90%.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 35.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 50.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 29.
Wednesday
Sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
2:20 am EDT Apr 2, 2026
Forecast Valid:
6am EDT Apr 2, 2026-6pm EDT Apr 8, 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