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.

Mostly Cloudy and Breezy

49°F

9°C

Humidity 31%
Wind Speed NW 21 G 29 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Mar 12:56 pm EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 46. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 6 to 15 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 44. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely after 2am. Mostly cloudy, with a temperature falling to near 39 by 8pm, then rising to around 45 during the remainder of the night. Southeast wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F⇑

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. South wind 16 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 56 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 37. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 46. Breezy, with a west wind around 23 mph, with gusts as high as 39 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind 6 to 15 mph.
Sunday
Partly sunny, with a high near 44. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Sunday Night
Rain likely after 2am. Mostly cloudy, with a temperature falling to near 39 by 8pm, then rising to around 45 during the remainder of the night. Southeast wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. South wind 16 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 37. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 46.
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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:
3:09 am EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation