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

45°F

7°C

Humidity 68%
Wind Speed SW 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 12:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 51. South wind around 11 mph, with gusts as high as 23 mph.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 2am. Low around 40. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 51. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 51. South wind around 11 mph, with gusts as high as 23 mph.
Tonight
Rain, mainly before 2am. Low around 40. Southwest wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 54. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 35. Light and variable wind.
Sunday
A slight chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 51. South wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 46.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 30%.
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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:
9:59 am EDT Mar 20, 2026
Forecast Valid:
1pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation