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

34°F

1°C

Humidity 73%
Wind Speed Calm
Barometer 30.19 in (1022.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 27 Mar 10:56 pm EDT
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: A 30 percent chance of light rain after midnight. Increasing clouds, with a steady temperature around 39. Southwest wind 9 to 14 mph.

    Low: 39 °F

    Chance Light
    Rain

  • Friday

    Friday: Partly sunny, with a high near 55. West wind 11 to 15 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 62. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Northeast wind around 7 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 30 percent chance of light rain after midnight. Increasing clouds, with a steady temperature around 39. Southwest wind 9 to 14 mph.
Friday
Partly sunny, with a high near 55. West wind 11 to 15 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 7 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 62. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Northeast wind around 7 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 43.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
10:48 pm EDT Mar 27, 2025
Forecast Valid:
11pm EDT Mar 27, 2025-6pm EDT Apr 3, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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