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Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed S 17 mph
Barometer 29.50 in (998.8 mb)
Dewpoint 48°F (9°C)
Visibility 1.00 mi
Wind Chill42°F (6°C)
Last update 16 Mar 9:56 pm EDT
Extended Forecast for

Mystic CT

Flood Watch March 16, 10:32pm until March 17, 08:00am
Dense Fog Advisory until March 17, 01:00am
Wind Advisory March 16, 10:32pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Dense Fog Advisory
Wind Advisory
  •  
    Flood Watch March 16, 10:32pm until March 17, 08:00am
    Dense Fog Advisory until March 17, 01:00am
    Wind Advisory March 16, 10:32pm until March 17, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 36 °F

    Showers and
    Areas Dense
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 39. West wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Light south wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Areas of dense fog before 2am. Low around 36. Windy, with a south wind 24 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a steady temperature around 39. West wind 11 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 27. Light south wind.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 48.
Friday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 44.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 44.
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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:
7:03 pm EDT Mar 16, 2026
Forecast Valid:
10pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation