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

47°F

8°C

Humidity 83%
Wind Speed E 5 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Mar 8:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 63. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 44. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: A chance of rain showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature rising to near 53 by 10am, then falling to around 41 during the remainder of the day. Northwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 53 °F⇓

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. West wind around 7 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 44. Light west wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 63. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 44. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Thursday
A chance of rain showers before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature rising to near 53 by 10am, then falling to around 41 during the remainder of the day. Northwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. West wind around 7 mph.
Friday
Increasing clouds, with a high near 44. Light west wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
Showers. High near 56. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
5:42 am EDT Mar 11, 2026
Forecast Valid:
9am EDT Mar 11, 2026-6pm EDT Mar 17, 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