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.

Overcast

56°F

13°C

Humidity 77%
Wind Speed S 9 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 May 3:56 pm EDT
Extended Forecast for

Uncasville CT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Mostly cloudy, with a high near 63. Northwest wind around 9 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Southwest wind 5 to 13 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. South wind 7 to 11 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. West wind 6 to 14 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 63. Northwest wind around 9 mph.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 73. Southwest wind 5 to 13 mph.
Saturday Night
Partly cloudy, with a low around 58. South wind 7 to 11 mph.
Sunday
Sunny, with a high near 82. West wind 6 to 14 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 68.
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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:
2:26 pm EDT May 15, 2026
Forecast Valid:
4pm EDT May 15, 2026-6pm EDT May 22, 2026
 
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