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.

Fog/Mist

51°F

11°C

Humidity 96%
Wind Speed S 12 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 50°F (10°C)
Visibility 1.00 mi
Wind Chill47°F (8°C)
Last update 5 Apr 10:56 am EDT
Extended Forecast for

New London CT

  • Today

    Today: Rain and possibly a thunderstorm. High near 57. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 37. Southwest wind around 6 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Partly cloudy, with a low around 36. Light west wind.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 2pm. Mostly sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 50 °F

    Chance Rain

  • Tuesday Night

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

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm. High near 57. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 8pm. Low around 37. Southwest wind around 6 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
A 30 percent chance of rain after 2am. Partly cloudy, with a low around 36. Light west wind.
Tuesday
A 30 percent chance of rain, mainly before 2pm. Mostly sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 62.
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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:
11:20 am EDT Apr 5, 2026
Forecast Valid:
11am EDT Apr 5, 2026-6pm EDT Apr 11, 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