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

44°F

7°C

Humidity 63%
Wind Speed S 16 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 21 Apr 5:56 pm EDT
Extended Forecast for

Yantic CT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 36. South wind 3 to 7 mph.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 11am. Patchy frost before 9am. Otherwise, cloudy, with a high near 47. South wind 6 to 9 mph.

    High: 47 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 64. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 36. South wind 3 to 7 mph.
Wednesday
A 40 percent chance of showers, mainly before 11am. Patchy frost before 9am. Otherwise, cloudy, with a high near 47. South wind 6 to 9 mph.
Wednesday Night
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 64. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.51°N 72.01°W (Elev. 200 ft)
Last Update:
3:50 pm EDT Apr 21, 2026
Forecast Valid:
6pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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