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

66°F

19°C

Humidity 65%
Wind Speed SE 9 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Aug 6:56 pm EDT
Extended Forecast for

Uncasville CT

  • Tonight

    Tonight: Partly cloudy, with a low around 51. East wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Northeast wind 5 to 8 mph becoming southeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southeast wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75. Southeast wind 5 to 9 mph.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 57. East wind around 7 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. East wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76. Northeast wind 5 to 8 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. Southeast wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75. Southeast wind 5 to 9 mph.
Wednesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 57. East wind around 7 mph.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville CT
 41.48°N 72.14°W (Elev. 358 ft)
Last Update:
2:53 pm EDT Aug 18, 2025
Forecast Valid:
7pm EDT Aug 18, 2025-6pm EDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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