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.

Partly Cloudy

77°F

25°C

Humidity 77%
Wind Speed W 12 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 7:56 pm EDT
Extended Forecast for

3 Miles N Uncasville CT

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 59. West wind 5 to 8 mph becoming light and variable after midnight.

    Low: 59 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 59. West wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Uncasville CT
 41.5°N 72.11°W (Elev. 59 ft)
Last Update:
6:39 pm EDT Aug 3, 2026
Forecast Valid:
8pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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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