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

58°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 29.90 in (1012.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 May 10:56 pm EDT
Extended Forecast for

Deep River CT

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 78 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, increasing clouds, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Memorial Day

    Memorial Day: A 40 percent chance of showers, mainly after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 72. Southeast wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers and
    Areas Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 62. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Sunday
A 20 percent chance of showers before 11am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming south 5 to 9 mph in the afternoon.
Sunday Night
Patchy fog. Otherwise, increasing clouds, with a low around 60. Calm wind.
Memorial Day
A 40 percent chance of showers, mainly after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 72. Southeast wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 62. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 73.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Deep River CT
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
11:05 pm EDT May 25, 2024
Forecast Valid:
11pm EDT May 25, 2024-6pm EDT Jun 1, 2024
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation