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.

Partly Cloudy

75°F

24°C

Humidity 71%
Wind Speed W 7 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 2:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 3 to 7 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 48. Calm wind becoming southeast around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 69. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 44. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind 6 to 8 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 63. North wind 3 to 7 mph.
Thursday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 48. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers, with thunderstorms also possible after 5pm. High near 69. South wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms. Low around 44. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 64.
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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:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
3pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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