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.

Light Rain Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed N 10 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 7 Jul 3:56 pm EDT
Extended Forecast for

Uncasville CT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Patchy fog. Otherwise, cloudy, with a high near 69. North wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 8pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 60. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. North wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Southwest wind 6 to 11 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Patchy fog. Otherwise, cloudy, with a high near 69. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of rain, mainly before 8pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 60. North wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 81. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 64. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 84. Southwest wind 6 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville CT
 41.46°N 72.14°W (Elev. 276 ft)
Last Update:
3:01 pm EDT Jul 7, 2026
Forecast Valid:
4pm EDT Jul 7, 2026-6pm EDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation