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

63°F

17°C

Humidity 100%
Wind Speed SW 13 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 6 Oct 7:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 77. Southwest wind 6 to 14 mph.

    High: 77 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 2pm. The rain could be heavy at times. High near 70. Southwest wind around 11 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 70 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. North wind around 9 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 4am. Otherwise, clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Patchy frost before 8am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 56. Southwest wind 3 to 6 mph.
Tuesday
Increasing clouds, with a high near 77. Southwest wind 6 to 14 mph.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, mainly before 2pm. The rain could be heavy at times. High near 70. Southwest wind around 11 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Mostly clear, with a low around 42. North wind around 9 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Patchy frost after 4am. Otherwise, clear, with a low around 36.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 64.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 51.
Columbus Day
A 30 percent chance of rain. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.43°N 72.09°W (Elev. 56 ft)
Last Update:
2:13 pm EDT Oct 6, 2025
Forecast Valid:
8pm EDT Oct 6, 2025-6pm EDT Oct 13, 2025
 
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