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.

Thunderstorm Heavy Rain Fog

65°F

18°C

Humidity 90%
Wind Speed NE 9 G 32 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 62°F (17°C)
Visibility 0.50 mi
Last update 17 Apr 3:56 pm EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a high near 72. Northeast wind around 6 mph. Chance of precipitation is 50%.

    High: 72 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers before 8pm. Partly cloudy, with a low around 48. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59. East wind 6 to 9 mph.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. Light southeast wind.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers. High near 55. Southeast wind 5 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 36. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 72. Northeast wind around 6 mph. Chance of precipitation is 50%.
Tonight
Scattered showers before 8pm. Partly cloudy, with a low around 48. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 59. East wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 45. Light southeast wind.
Sunday
Showers. High near 55. Southeast wind 5 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 36. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 59.
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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:
2:24 pm EDT Apr 17, 2026
Forecast Valid:
4pm EDT Apr 17, 2026-6pm EDT Apr 24, 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