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.

Overcast

46°F

8°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.58 in (1001.6 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 12 Mar 3:56 am EDT
Extended Forecast for

Deep River Center CT

  • Overnight

    Overnight: Rain likely, mainly before 5am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 55. South wind 5 to 8 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely before 4pm, then snow, possibly mixed with rain. Patchy fog before 8am. Temperature rising to near 53 by 8am, then falling to around 40 during the remainder of the day. Northwest wind 7 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 53 °F⇓

    Rain Likely
    and Patchy
    Fog then
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 8pm. Low around 28. Northwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Snow then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 44. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain and snow before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 47.

    High: 47 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
Rain likely, mainly before 5am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 55. South wind 5 to 8 mph. Chance of precipitation is 70%.
Thursday
Rain likely before 4pm, then snow, possibly mixed with rain. Patchy fog before 8am. Temperature rising to near 53 by 8am, then falling to around 40 during the remainder of the day. Northwest wind 7 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Snow, mainly before 8pm. Low around 28. Northwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Increasing clouds, with a high near 44. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A slight chance of rain and snow before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. South wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 50.
Saturday Night
Increasing clouds, with a low around 30.
Sunday
Cloudy, with a high near 47.
Sunday Night
Rain, mainly after 2am. Low around 38. Chance of precipitation is 80%.
Monday
Rain. High near 58. Chance of precipitation is 90%.
Monday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Deep River Center CT
 41.39°N 72.43°W (Elev. 49 ft)
Last Update:
2:50 am EDT Mar 12, 2026
Forecast Valid:
4am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation