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

49°F

9°C

Humidity 93%
Wind Speed N 5 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Apr 3:56 am EDT
Extended Forecast for

Yantic CT

  • Today

    Today: Mostly cloudy, with a high near 61. East wind 5 to 8 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Patchy Fog

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. High near 58. Light and variable wind becoming northwest 9 to 14 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind 5 to 8 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. Northwest wind 6 to 9 mph.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 61. East wind 5 to 8 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 45. Light south wind.
Sunday
Showers, with thunderstorms also possible after 11am. High near 58. Light and variable wind becoming northwest 9 to 14 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 35. West wind 5 to 8 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. Northwest wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.51°N 72.01°W (Elev. 200 ft)
Last Update:
2:16 am EDT Apr 18, 2026
Forecast Valid:
4am EDT Apr 18, 2026-6pm EDT Apr 24, 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