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.

Overcast

38°F

3°C

Humidity 52%
Wind Speed SE 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Feb 10:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: Cloudy early, then becoming mostly sunny, with a high near 41. Southeast wind 7 to 9 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 28. Light east wind.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Rain likely, possibly mixed with snow before 1pm, then rain. High near 39. Wind chill values between 25 and 35. East wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Friday Night

    Friday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Low around 30. North wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain then
    Rain/Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 39. Light and variable wind becoming northeast around 6 mph.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Cloudy early, then becoming mostly sunny, with a high near 41. Southeast wind 7 to 9 mph.
Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 28. Light east wind.
Friday
Rain likely, possibly mixed with snow before 1pm, then rain. High near 39. Wind chill values between 25 and 35. East wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Low around 30. North wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 39. Light and variable wind becoming northeast around 6 mph.
Saturday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 38.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Partly sunny, with a high near 38.
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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:
10:22 am EST Feb 19, 2026
Forecast Valid:
11am EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation