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.

Fair

65°F

18°C

Humidity 59%
Wind Speed W 13 G 21 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 6:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 76. West wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Light west wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 76. West wind 13 to 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 77. Light west wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 60. Light west wind.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 78.
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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:
2:19 am EDT Jun 20, 2026
Forecast Valid:
7am EDT Jun 20, 2026-6pm EDT Jun 26, 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