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

39°F

4°C

Humidity 86%
Wind Speed SE 10 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Mar 5:56 am EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Today

    Today: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 52. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 11pm, then showers after 11pm. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 44. North wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 44 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 6 to 8 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 46. Northwest wind 5 to 7 mph becoming west in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 52.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 52. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 11pm, then showers after 11pm. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 44. North wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 46. Northwest wind 5 to 7 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 41.
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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:
2:51 am EDT Mar 22, 2026
Forecast Valid:
6am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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