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.

Mostly Cloudy

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.15 in (1020.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Mar 12:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: Areas of drizzle and fog after 2am. Cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Areas Drizzle
    and Areas Fog

  • Saturday

    Saturday: Areas of drizzle and fog before 11am, then a slight chance of showers after 5pm. Cloudy, with a high near 52. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 52 °F

    Areas Drizzle
    and Areas Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 8pm. Areas of fog. Otherwise, cloudy, with a low around 43. Southeast wind around 6 mph.

    Low: 43 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A 20 percent chance of showers. Cloudy, with a high near 59. South wind 10 to 16 mph, with gusts as high as 34 mph.

    High: 59 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 48. South wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 48 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, mainly before 2pm. High near 55. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 55 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of drizzle and fog after 2am. Cloudy, with a low around 37. Calm wind.
Saturday
Areas of drizzle and fog before 11am, then a slight chance of showers after 5pm. Cloudy, with a high near 52. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers, mainly after 8pm. Areas of fog. Otherwise, cloudy, with a low around 43. Southeast wind around 6 mph.
Sunday
A 20 percent chance of showers. Cloudy, with a high near 59. South wind 10 to 16 mph, with gusts as high as 34 mph.
Sunday Night
Showers. Low around 48. South wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
Showers, mainly before 2pm. High near 55. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 48.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
10:45 pm EDT Mar 14, 2025
Forecast Valid:
1am EDT Mar 15, 2025-6pm EDT Mar 21, 2025
 
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