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

50°F

10°C

Humidity 89%
Wind Speed W 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 May 2:56 am EDT
Extended Forecast for

Deep River CT

  • Overnight

    Overnight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 66. South wind 5 to 11 mph.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly between 8pm and midnight. Mostly cloudy, with a low around 49. South wind 3 to 8 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. South wind 7 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 56. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 2pm. Cloudy, with a high near 65. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 45. Calm wind.
Monday
Partly sunny, with a high near 66. South wind 5 to 11 mph.
Monday Night
A 30 percent chance of showers, mainly between 8pm and midnight. Mostly cloudy, with a low around 49. South wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 72. South wind 7 to 10 mph.
Tuesday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 56. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 2pm. Cloudy, with a high near 65. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 71.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 67.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 70.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Deep River CT
 41.41°N 72.42°W (Elev. 3 ft)
Last Update:
10:15 pm EDT May 12, 2024
Forecast Valid:
3am EDT May 13, 2024-6pm EDT May 19, 2024
 
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