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.

A Few Clouds and Breezy

51°F

11°C

Humidity 61%
Wind Speed SE 23 G 32 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 4 Apr 3:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: A slight chance of showers between 11pm and 2am, then areas of drizzle with a chance of showers after 2am. The drizzle could be heavy at times. Areas of dense fog after 2am. Otherwise, cloudy, with a low around 41. East wind 6 to 13 mph. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of drizzle with a chance of showers before 11am, then showers, mainly after 11am. The drizzle could be heavy at times. Areas of dense fog before 11am. High near 59. Southwest wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers
    Likely and
    Areas Dense
    Fog then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 38. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain. Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly sunny, with a high near 50.

    High: 50 °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

Detailed Forecast

Tonight
A slight chance of showers between 11pm and 2am, then areas of drizzle with a chance of showers after 2am. The drizzle could be heavy at times. Areas of dense fog after 2am. Otherwise, cloudy, with a low around 41. East wind 6 to 13 mph. Chance of precipitation is 50%.
Sunday
Areas of drizzle with a chance of showers before 11am, then showers, mainly after 11am. The drizzle could be heavy at times. Areas of dense fog before 11am. High near 59. Southwest wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 38. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35. Light west wind.
Tuesday
A 30 percent chance of rain before 2pm. Mostly sunny, with a high near 50.
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 54.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
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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:
2:50 pm EDT Apr 4, 2026
Forecast Valid:
4pm EDT Apr 4, 2026-6pm EDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation