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

43°F

6°C

Humidity 68%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 Nov 10:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: A chance of sprinkles before 1pm. Cloudy, with a high near 51. Southwest wind 7 to 10 mph.

    High: 51 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 40. West wind around 6 mph becoming light and variable.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 6 to 10 mph.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Northwest wind 5 to 9 mph becoming west in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
A chance of sprinkles before 1pm. Cloudy, with a high near 51. Southwest wind 7 to 10 mph.
Tonight
A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 40. West wind around 6 mph becoming light and variable.
Saturday
A 30 percent chance of rain, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 47. Northwest wind 5 to 9 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 54.
Tuesday Night
Rain likely. Cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Thanksgiving Day
A 30 percent chance of rain. Partly sunny, with a high near 53.
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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:
10:11 am EST Nov 21, 2025
Forecast Valid:
11am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
Forecast Discussion
 
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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