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

35°F

2°C

Humidity 89%
Wind Speed Calm
Barometer 30.28 in (1025.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Nov 7:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: Rain likely after 4pm. Mostly cloudy, with a high near 55. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 55 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tonight

    Tonight: Rain, mainly before 4am. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F⇑

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 61. Southwest wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
Rain likely after 4pm. Mostly cloudy, with a high near 55. South wind 5 to 10 mph. Chance of precipitation is 60%.
Tonight
Rain, mainly before 4am. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 61. Southwest wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 20 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 37. West wind 6 to 10 mph, with gusts as high as 20 mph.
Thanksgiving Day
Mostly sunny, with a high near 46. West wind 10 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
5:27 am EST Nov 25, 2025
Forecast Valid:
8am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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