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.

Overcast

39°F

4°C

Humidity 55%
Wind Speed W 13 G 21 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 11 Nov 10:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West wind 11 to 13 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Southwest wind 11 to 15 mph.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. West wind 10 to 14 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. West wind 11 to 13 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a high near 48. Southwest wind 11 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 38. West wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 51. West wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 34. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 46.
Saturday Night
A 30 percent chance of rain after 1am. Partly cloudy, with a low around 29.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 48.
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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:
1:09 pm EST Nov 11, 2025
Forecast Valid:
11pm EST Nov 11, 2025-6pm EST Nov 18, 2025
 
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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