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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles NNE Deep River CT

  • Today

    Today: Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Mostly cloudy, with a high near 78. Northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 62. East wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 73. East wind 6 to 10 mph.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 61. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Mostly cloudy, with a high near 78. Northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 62. East wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 73. East wind 6 to 10 mph.
Friday Night
A chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 61. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
Mostly cloudy, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Deep River CT
 41.41°N 72.42°W (Elev. 3 ft)
Last Update:
6:09 am EDT Jun 26, 2025
Forecast Valid:
6am EDT Jun 26, 2025-6pm EDT Jul 2, 2025
 
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