National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Partly Cloudy

78°F

26°C

Humidity 42%
Wind Speed NW 17 G 25 mph
Barometer 29.70 in (1005.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 3:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Southeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 22 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around 59. Light and variable wind.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Southeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
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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:
2:28 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation