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

34°F

1°C

Humidity 67%
Wind Speed S 7 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Feb 2:56 pm EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 9pm and midnight. Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Patchy Fog
    then Partly
    Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 40. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 14. North wind around 6 mph.

    Low: 14 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 24. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph.
Saturday Night
Patchy fog between 9pm and midnight. Otherwise, partly cloudy, with a low around 27. Calm wind.
Sunday
Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 40. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 14. North wind around 6 mph.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Cloudy, with a high near 44.
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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:
12:50 pm EST Feb 27, 2026
Forecast Valid:
3pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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