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

19°F

-7°C

Humidity 65%
Wind Speed NW 8 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 2 Jan 11:56 pm EST
Extended Forecast for

2 Miles NNE Old Mystic CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 18. Wind chill values between 10 and 15. West wind around 7 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 30. Wind chill values between 5 and 15. West wind 8 to 10 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers between 10pm and 1am, then light snow likely after 1am. Cloudy, with a low around 20. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Light
    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of light snow before 10am. Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 15 and 25. Light north wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 33 °F

    Chance Light
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 27.

    High: 27 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 20.

    Low: 20 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 18. Wind chill values between 10 and 15. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 30. Wind chill values between 5 and 15. West wind 8 to 10 mph.
Saturday Night
A slight chance of snow showers between 10pm and 1am, then light snow likely after 1am. Cloudy, with a low around 20. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of light snow before 10am. Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 15 and 25. Light north wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 11. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Increasing clouds, with a high near 27.
Monday Night
Cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Old Mystic CT
 41.39°N 71.95°W (Elev. 95 ft)
Last Update:
3:52 pm EST Jan 2, 2026
Forecast Valid:
12am EST Jan 3, 2026-6pm EST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation