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.

Mostly Cloudy

30°F

-1°C

Humidity 39%
Wind Speed NW 13 G 23 mph
Barometer 29.81 in (1009.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 3:56 pm EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: A 30 percent chance of snow after 4am. Increasing clouds, with a low around 13. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 13 °F

    Mostly Clear
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, mixing with rain after 10am, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.

    High: 39 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow after 4am. Increasing clouds, with a low around 13. Northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Snow, mixing with rain after 10am, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Southwest wind around 6 mph.
Thursday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 30 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 21. Light and variable wind.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
1:21 pm EST Feb 24, 2026
Forecast Valid:
4pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation