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.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 34°F (1°C)
Visibility 0.75 mi
Last update 10 Mar 6:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 50. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 42 by 5pm. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 50 °F⇓

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 28.

    Low: 28 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 44.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 50. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 42 by 5pm. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 28.
Friday
Increasing clouds, with a high near 44.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Cloudy, with a high near 49.
Sunday Night
Rain. Low around 41. Chance of precipitation is 80%.
Monday
Rain. High near 53. Chance of precipitation is 80%.
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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:
2:07 am EDT Mar 10, 2026
Forecast Valid:
7am EDT Mar 10, 2026-6pm EDT Mar 16, 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