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.

A Few Clouds

63°F

17°C

Humidity 73%
Wind Speed S 5 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Apr 4:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 75. Southwest wind around 7 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 8am. Cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 75. Southwest wind around 7 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Showers likely after 8am. Cloudy, with a high near 58. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 63.
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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:
2:22 pm EDT Apr 15, 2026
Forecast Valid:
5pm EDT Apr 15, 2026-6pm EDT Apr 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