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

70°F

21°C

Humidity 68%
Wind Speed SW 9 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Oct 2:56 pm EDT
Extended Forecast for

3 Miles S Yantic CT

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, clear, with a low around 51. West wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind 3 to 6 mph.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 10am. Otherwise, sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 51. Calm wind.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 69.
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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:
2:02 pm EDT Oct 4, 2025
Forecast Valid:
3pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation