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

72°F

22°C

Humidity 94%
Wind Speed E 5 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 6.00 mi
Last update 18 Jun 4:56 pm EDT
Extended Forecast for

New London CT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Southeast wind around 6 mph.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Cloudy, with a steady temperature around 67. Southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 77. Southwest wind 5 to 9 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. West wind 9 to 14 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 76. West wind 11 to 14 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Southeast wind around 6 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Cloudy, with a steady temperature around 67. Southeast wind around 5 mph becoming calm in the evening.
Juneteenth
Partly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. West wind 9 to 14 mph.
Friday
Sunny, with a high near 76. West wind 11 to 14 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.34°N 72.08°W (Elev. 36 ft)
Last Update:
3:37 pm EDT Jun 18, 2025
Forecast Valid:
5pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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