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.

Rain Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed N 14 mph
Barometer 29.65 in (1004.0 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill32°F (0°C)
Last update 2 Dec 3:56 pm EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Rain. High near 47. Northeast wind around 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 30. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 5 to 8 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Calm wind becoming west 5 to 7 mph after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41. West wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 35.

    High: 35 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of rain. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 47. Northeast wind around 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 1am. Low around 30. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Sunny, with a high near 42. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind becoming west 5 to 7 mph after midnight.
Thursday
Partly sunny, with a high near 41. West wind 8 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 14.
Friday
Increasing clouds, with a high near 35.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 34.
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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:
1:01 pm EST Dec 2, 2025
Forecast Valid:
4pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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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