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

55°F

13°C

Humidity 80%
Wind Speed N 6 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 15 Oct 2:56 am EDT
Extended Forecast for

Uncasville CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 56. Northwest wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 5 to 9 mph becoming calm in the afternoon.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers before 2pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after 8pm. Low around 43. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 56. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 63. North wind 5 to 9 mph becoming calm in the afternoon.
Thursday Night
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers before 2pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 43. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Uncasville CT
 41.46°N 72.12°W (Elev. 72 ft)
Last Update:
1:55 am EDT Oct 15, 2026
Forecast Valid:
3am EDT Oct 15, 2026-6pm EDT Oct 21, 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