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

53°F

12°C

Humidity 40%
Wind Speed N 16 G 28 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 4:56 pm EDT
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Clear, with a low around 40. North wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61. North wind around 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. North wind around 6 mph becoming west in the afternoon.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Light southwest wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 40. North wind 10 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 61. North wind around 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 40. North wind around 6 mph.
Saturday
Sunny, with a high near 62. North wind around 6 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 49. Light southwest wind.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 64.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
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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:
2:14 pm EDT Oct 16, 2025
Forecast Valid:
5pm EDT Oct 16, 2025-6pm EDT Oct 23, 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