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

50°F

10°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 3 Apr 11:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 51. Southwest wind around 6 mph.

    Low: 51 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 65. North wind 5 to 9 mph becoming east in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers after 2pm. High near 59. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 38. Northwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 2pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 51. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 65. North wind 5 to 9 mph becoming east in the afternoon.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40. East wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Showers likely and possibly a thunderstorm, then showers after 2pm. High near 59. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 38. Northwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow showers before 2pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly 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:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
12am EDT Apr 4, 2026-6pm EDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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