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

63°F

17°C

Humidity 63%
Wind Speed W 7 mph
Barometer 29.66 in (1004.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 1:56 am EDT
Extended Forecast for

New London CT

  • Overnight

    Overnight: Clear, with a low around 62. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. West wind 14 to 17 mph, with gusts as high as 31 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Showers, mainly after 2pm. High near 74. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 62. West wind around 8 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 78. West wind 14 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 77. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
Showers, mainly after 2pm. High near 74. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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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:
2:19 am EDT Jun 20, 2026
Forecast Valid:
2am EDT Jun 20, 2026-6pm EDT Jun 26, 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