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

50°F

10°C

Humidity 96%
Wind Speed SW 10 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 49°F (9°C)
Visibility 1.00 mi
Wind Chill46°F (8°C)
Last update 5 Apr 11:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • This Afternoon

    This Afternoon: Rain likely and possibly a thunderstorm, then rain after 2pm. High near 58. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 37. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 53. West wind around 10 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 2am. Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 2pm. Partly sunny, with a high near 51. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 51 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely and possibly a thunderstorm, then rain after 2pm. High near 58. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 37. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 53. West wind around 10 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of rain, mainly after 2am. Partly cloudy, with a low around 35. Light west wind.
Tuesday
A 30 percent chance of rain, mainly before 2pm. Partly sunny, with a high near 51. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly 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:
11:20 am EDT Apr 5, 2026
Forecast Valid:
12pm EDT Apr 5, 2026-6pm EDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation