National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

33°F

1°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 25 Apr 4:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

Frost Advisory until April 25, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 25, 08:00am

    NOW until 8:00am Sat

    Frost Advisory

  • Overnight

    Low: 36 °F

    Areas Frost

  • Saturday

    Saturday: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 52 °F

    Areas Frost
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 5am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 55. East wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 39. Northeast wind 3 to 5 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost. Otherwise, mostly clear, with a low around 36. Calm wind.
Saturday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 52. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, mainly after 5am. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 55. East wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 39. Northeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
4:51 am EDT Apr 25, 2026
Forecast Valid:
5am EDT Apr 25, 2026-6pm EDT May 1, 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