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

78°F

26°C

Humidity 79%
Wind Speed S 12 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 11:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. South wind around 11 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. North wind around 5 mph becoming calm in the morning.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. South wind around 11 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 81. North wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 79.
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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:
8:44 am EDT Aug 27, 2026
Forecast Valid:
12pm EDT Aug 27, 2026-6pm EDT Sep 2, 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