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.

Light Rain Fog/Mist and Breezy

43°F

6°C

Humidity 93%
Wind Speed E 21 G 32 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Wind Chill34°F (1°C)
Last update 16 Mar 4:56 am EDT
Extended Forecast for

Mystic CT

Flood Watch until March 17, 08:00am
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch until March 17, 08:00am

    NOW until 8:00am Tue

    Flood Watch

  • Today

    High: 56 °F

    Showers and
    Areas Fog
    then Showers
    Likely and
    Areas Fog

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Areas of fog before 2am. Low around 36. Breezy, with a south wind 17 to 21 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.

    Low: 36 °F

    Showers and
    Areas Fog

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 39. West wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Northwest wind around 6 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm. Areas of fog. High near 56. South wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Areas of fog before 2am. Low around 36. Breezy, with a south wind 17 to 21 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 28 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 38. Northwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 43.
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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:
6:14 am EDT Mar 16, 2026
Forecast Valid:
6am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation