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

37°F

3°C

Humidity 59%
Wind Speed W 8 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Nov 11:56 pm EST
Extended Forecast for

2 Miles NNE Deep River CT

  • Overnight

    Overnight: Mostly clear, with a low around 31. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Calm wind becoming north around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 31. West wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 47. West wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind.
Wednesday
Mostly sunny, with a high near 48. Calm wind becoming north around 5 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 40 percent chance of rain before 1pm. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Deep River CT
 41.43°N 72.42°W (Elev. 98 ft)
Last Update:
9:16 pm EST Nov 17, 2025
Forecast Valid:
12am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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