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

44°F

7°C

Humidity 96%
Wind Speed N 5 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 22 Mar 10:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Rain. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: Rain, possibly mixing with snow after 11am, then gradually ending. High near 44. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind around 7 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 47. Wind chill values between 20 and 30 early. North wind around 6 mph becoming west in the afternoon.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, possibly mixing with snow after 11am, then gradually ending. High near 44. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind around 7 mph.
Tuesday
Sunny, with a high near 47. Wind chill values between 20 and 30 early. North wind around 6 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 47.
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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:
3:49 pm EDT Mar 22, 2026
Forecast Valid:
11pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation