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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

31°F

-1°C

Humidity 61%
Wind Speed N 6 mph
Barometer 30.33 in (1026.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Apr 4:56 am EDT
Extended Forecast for

New London CT

Freeze Warning until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 21, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 5am. Areas of frost between 10pm and midnight. Otherwise, increasing clouds, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Areas Frost
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly between 8am and 2pm. Cloudy, with a high near 51. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 31. North wind around 5 mph.
Tuesday
Sunny, with a high near 51. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 5am. Areas of frost between 10pm and midnight. Otherwise, increasing clouds, with a low around 37. South wind around 5 mph.
Wednesday
Showers likely, mainly between 8am and 2pm. Cloudy, with a high near 51. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 41. Calm wind.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 55.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 59.
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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:
2:19 am EDT Apr 21, 2026
Forecast Valid:
5am EDT Apr 21, 2026-6pm EDT Apr 27, 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