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

51°F

11°C

Humidity 89%
Wind Speed NE 3 mph
Barometer 30.29 in (1025.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Sep 7:56 pm EDT
Extended Forecast for

3 Miles SSE Yantic CT

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light east wind.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Light southwest wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Light east wind.
Sunday
Mostly sunny, with a high near 69. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 56. Light southwest wind.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 60.
Wednesday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 77.
Wednesday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 72.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Yantic CT
 41.49°N 72.02°W (Elev. 98 ft)
Last Update:
8:12 pm EDT Sep 20, 2025
Forecast Valid:
8pm EDT Sep 20, 2025-6pm EDT Sep 27, 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