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 50%
Wind Speed W 10 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Nov 11:56 pm EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 14 to 18 mph, with gusts as high as 37 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 16 mph, with gusts as high as 37 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Wind chill values between 20 and 30. West wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely after 1pm. Cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Cloudy then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

  • Monday

    Monday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 10 to 13 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 14 to 18 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 16 mph, with gusts as high as 37 mph.
Saturday
Sunny, with a high near 43. Wind chill values between 20 and 30. West wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday Night
Increasing clouds, with a low around 28. Calm wind.
Sunday
Rain likely after 1pm. Cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 43. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
5:33 pm EST Nov 27, 2025
Forecast Valid:
12am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation