National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

29°F

-2°C

Humidity 69%
Wind Speed N 6 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 6 Dec 2:56 am EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: A slight chance of snow after 4am, mixing with freezing rain after 5am. Mostly cloudy, with a steady temperature around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Wintry Mix

  • Saturday

    Saturday: A chance of freezing rain before 8am, then a chance of drizzle between 8am and 4pm. Mostly cloudy, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Drizzle/Freezing
    Rain then
    Chance
    Drizzle

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind around 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. Light southwest wind becoming northwest 6 to 11 mph in the evening. Winds could gust as high as 24 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow after 4am, mixing with freezing rain after 5am. Mostly cloudy, with a steady temperature around 30. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of freezing rain before 8am, then a chance of drizzle between 8am and 4pm. Mostly cloudy, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 26. West wind around 5 mph.
Sunday
Partly sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind around 6 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 23. Light southwest wind becoming northwest 6 to 11 mph in the evening. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 48.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
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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:
12:53 am EST Dec 6, 2025
Forecast Valid:
3am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation