National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Mostly Cloudy

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 29.88 in (1011.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 4 May 2:56 am EDT
Extended Forecast for

Deep River Center CT

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Southwest wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. South wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. South wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 2pm, then rain between 2pm and 5pm, then showers after 5pm. High near 65. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Chance
    Showers then
    Rain

  • Wednesday Night

    Wednesday Night: Showers before 8pm, then rain likely between 8pm and 2am, then a chance of showers after 2am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Southwest wind around 5 mph.
Monday
Sunny, with a high near 67. Southwest wind 9 to 15 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 50. South wind 5 to 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 72. South wind 6 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 26 mph.
Wednesday
A chance of showers before 2pm, then rain between 2pm and 5pm, then showers after 5pm. High near 65. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers before 8pm, then rain likely between 8pm and 2am, then a chance of showers after 2am. Low around 49. Chance of precipitation is 80%.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 66.
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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:
2:00 am EDT May 4, 2026
Forecast Valid:
3am EDT May 4, 2026-6pm EDT May 10, 2026
 
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