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.

Mostly Cloudy

71°F

22°C

Humidity 47%
Wind Speed Vrbl 7 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 27 Aug 12:56 pm EDT
Extended Forecast for

Deep River Center CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. West wind around 7 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light northwest wind.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. West wind around 7 mph.
Tonight
Mostly clear, with a low around 53. Light northwest wind.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60. South wind around 6 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 53. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 54.
Labor Day
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River Center CT
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
1:38 am EDT Aug 27, 2025
Forecast Valid:
1pm EDT Aug 27, 2025-6pm EDT Sep 2, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation