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.

Mostly Cloudy

66°F

19°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Nov 9:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly cloudy, with a high near 70. South wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain likely, then showers and possibly a thunderstorm after 4am. Steady temperature around 63. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance Rain
    then Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 7am, then rain and possibly a thunderstorm after 7am. High near 67. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Rain, mainly before 1am. Low around 55. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Partly sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the morning.

    High: 66 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 70. South wind 8 to 11 mph, with gusts as high as 22 mph.
Tonight
Rain likely, then showers and possibly a thunderstorm after 4am. Steady temperature around 63. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm before 7am, then rain and possibly a thunderstorm after 7am. High near 67. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain, mainly before 1am. Low around 55. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 37.
Veterans Day
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.37°N 71.96°W (Elev. 43 ft)
Last Update:
7:33 am EST Nov 5, 2026
Forecast Valid:
10am EST Nov 5, 2026-6pm EST Nov 11, 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