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

23°F

-5°C

Humidity 40%
Wind Speed NW 15 G 23 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 20 Jan 2:56 pm EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Mostly clear, with a low around 9. West wind 3 to 7 mph.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37. Wind chill values between 10 and 20. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 29. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 43. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 9. West wind 3 to 7 mph.
Wednesday
Increasing clouds, with a high near 37. Wind chill values between 10 and 20. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
A chance of snow before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 29. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 43. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 23. West wind around 6 mph.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly sunny and cold, with a high near 16.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 7.
Sunday
A 50 percent chance of snow. Cloudy and cold, with a high near 19.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 10.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
1:47 pm EST Jan 20, 2026
Forecast Valid:
3pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
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