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

59°F

15°C

Humidity 72%
Wind Speed SW 15 G 22 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 5 May 6:56 pm EDT
Extended Forecast for

New London CT

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 48. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 64. Northwest wind around 6 mph.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Northwest wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 48. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 64. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 44. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Monday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
2:27 pm EDT May 5, 2026
Forecast Valid:
7pm EDT May 5, 2026-6pm EDT May 12, 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