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

65°F

18°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 6:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: A 20 percent chance of showers after 2pm. Mostly cloudy, then becoming sunny during the afternoon, with a high near 79. West wind around 8 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind 6 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. North wind 3 to 7 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Increasing clouds, with a low around 47. Calm wind becoming southeast around 5 mph after midnight.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 69. Southeast wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Mostly cloudy, then becoming sunny during the afternoon, with a high near 79. West wind around 8 mph.
Tonight
Mostly clear, with a low around 49. Northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 64. North wind 3 to 7 mph.
Thursday Night
A 50 percent chance of showers after 2am. Increasing clouds, with a low around 47. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers, with thunderstorms also possible after 5pm. High near 69. Southeast wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 66.
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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:
7:09 am EDT Oct 14, 2026
Forecast Valid:
7am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation