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.

Fair

48°F

9°C

Humidity 44%
Wind Speed S 12 mph
Barometer 30.53 in (1033.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Apr 11:56 am EDT
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: Increasing clouds, with a steady temperature around 50. South wind 9 to 11 mph.

    High: 50 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 41. South wind 5 to 9 mph becoming light.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a steady temperature around 50. South wind 9 to 11 mph.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 41. South wind 5 to 9 mph becoming light.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 62. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 5 to 9 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.37°N 72.11°W (Elev. 125 ft)
Last Update:
10:30 am EDT Apr 12, 2026
Forecast Valid:
12pm EDT Apr 12, 2026-6pm EDT Apr 18, 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