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

75°F

24°C

Humidity 50%
Wind Speed W 12 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jun 6:56 pm EDT
Extended Forecast for

3 Miles S Yantic CT

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 9 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 9 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Light southwest wind.
Saturday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Yantic CT
 41.49°N 72.05°W (Elev. 98 ft)
Last Update:
2:41 pm EDT Jun 24, 2026
Forecast Valid:
7pm EDT Jun 24, 2026-6pm EDT Jul 1, 2026
 
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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