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

68°F

20°C

Humidity 70%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 May 11:56 pm EDT
Extended Forecast for

Yantic CT

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. East wind 5 to 9 mph becoming south in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind 7 to 9 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers after 2pm. High near 85. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 85 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers before 8pm. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Monday
Sunny, with a high near 78. East wind 5 to 9 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 60. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 88. Light southwest wind increasing to 8 to 13 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind 7 to 9 mph.
Wednesday
Showers after 2pm. High near 85. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers before 8pm. Low around 54. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 66.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yantic CT
 41.54°N 72.04°W (Elev. 144 ft)
Last Update:
3:04 pm EDT May 17, 2026
Forecast Valid:
2am EDT May 18, 2026-6pm EDT May 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