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

21°F

-6°C

Humidity 30%
Wind Speed NW 18 G 29 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 4 Dec 11:56 pm EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly clear, with a low around 11. Wind chill values between zero and 5. North wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 5 and 15. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 43 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 11. Wind chill values between zero and 5. North wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 34. Wind chill values between 5 and 15. Light and variable wind becoming south around 6 mph in the afternoon.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Calm wind.
Saturday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 44.
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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:
10:17 pm EST Dec 4, 2025
Forecast Valid:
12am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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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