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

48°F

9°C

Humidity 83%
Wind Speed S 5 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 26 Mar 5:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Showers, mainly after 8pm. Low around 46. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 49 °F⇓

    Showers
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northwest wind 9 to 11 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 8pm. Low around 46. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 9 to 11 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 28. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 39. Wind chill values between 20 and 30. Northwest wind 9 to 11 mph.
Saturday Night
Mostly clear, with a low around 24. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 30 percent chance of rain after 8am. Mostly cloudy, with a high near 57.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
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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:
4:04 pm EDT Mar 26, 2026
Forecast Valid:
6pm EDT Mar 26, 2026-6pm EDT Apr 2, 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