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

33°F

1°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Feb 11:56 pm EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Increasing clouds, with a low around 29. Calm wind becoming east around 5 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain, mainly after 9am. High near 38. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Rain

  • Friday Night

    Friday Night: Rain before midnight, then a chance of rain and snow between midnight and 4am, then a chance of snow after 4am. Low around 30. Northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 4pm, then a chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. East wind 3 to 5 mph.

    Low: 27 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Snow Likely

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 29. Calm wind becoming east around 5 mph.
Friday
Rain, mainly after 9am. High near 38. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain before midnight, then a chance of rain and snow between midnight and 4am, then a chance of snow after 4am. Low around 30. Northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 4pm, then a chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. East wind 3 to 5 mph.
Sunday
A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
3:51 pm EST Feb 19, 2026
Forecast Valid:
12am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
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