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

52°F

11°C

Humidity 89%
Wind Speed S 5 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 16 Apr 5:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50. Light northeast wind.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Northeast wind 5 to 7 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely after 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight
Mostly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm after midnight.
Friday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 50. Light northeast wind.
Saturday
Partly sunny, with a high near 60. Northeast wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Showers likely after 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 59.
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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:
2:22 am EDT Apr 16, 2026
Forecast Valid:
6am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
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