National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

18°F

-8°C

Humidity 41%
Wind Speed N 12 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 26 Dec 8:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

Winter Weather Advisory December 26, 07:00pm until December 27, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 27. Wind chill values between 10 and 20. North wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 27 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 7pm. Low around 19. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 32. Wind chill values between 15 and 25. North wind 6 to 8 mph.

    High: 32 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15. Light northwest wind.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain. Temperature falling to near 32 by 10pm, then rising to around 39 during the remainder of the night. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F⇑

    Rain Likely
    then Rain

  • Monday

    Monday: Rain. High near 47. Chance of precipitation is 90%.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 27. Wind chill values between 10 and 20. North wind 5 to 7 mph becoming light and variable in the afternoon.
Tonight
Snow, mainly after 7pm. Low around 19. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 32. Wind chill values between 15 and 25. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 15. Light northwest wind.
Sunday
Partly sunny, with a high near 38. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Rain. Temperature falling to near 32 by 10pm, then rising to around 39 during the remainder of the night. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 47. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 29.
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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:
1:48 am EST Dec 26, 2025
Forecast Valid:
9am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation