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.

Mostly Cloudy

38°F

3°C

Humidity 70%
Wind Speed SW 18 G 26 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 10 Dec 5:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 10pm. Low around 29. Southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 29 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a temperature rising to near 37 by 11am, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 30. West wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 37 °F⇓

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. Wind chill values between 10 and 15. West wind around 16 mph, with gusts as high as 36 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. West wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 1pm. Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 32 mph.
Tonight
Rain, mainly before 10pm. Low around 29. Southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Mostly sunny, with a temperature rising to near 37 by 11am, then falling to around 31 during the remainder of the day. Wind chill values between 20 and 30. West wind 11 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 23. Wind chill values between 10 and 15. West wind around 16 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 36. West wind 13 to 16 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 39.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.
Sunday
A 40 percent chance of snow before 1pm. Partly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
2:32 am EST Dec 10, 2025
Forecast Valid:
6am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation