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

55°F

13°C

Humidity 77%
Wind Speed SE 3 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Apr 9:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and midnight. Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Scattered
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the morning.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 54. South wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and midnight. Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54. South wind around 6 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 52.
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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:
9:09 pm EDT Apr 14, 2026
Forecast Valid:
10pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation