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

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in (1010.8 mb)
Dewpoint 64°F (18°C)
Visibility 0.50 mi
Last update 24 Jun 12:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Overnight

    Overnight: Patchy fog before 2am. Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 60. North wind 3 to 5 mph.

    Low: 60 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 84. Northwest wind 5 to 8 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, mainly after 5am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog before 2am. Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 60. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 84. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 59. Calm wind.
Thursday
Sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 5am. Mostly cloudy, with a low around 63. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.43°N 72.09°W (Elev. 56 ft)
Last Update:
2:20 pm EDT Jun 23, 2026
Forecast Valid:
1am EDT Jun 24, 2026-6pm EDT Jun 30, 2026
 
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Additional Resources

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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