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.

Mostly Cloudy

37°F

3°C

Humidity 79%
Wind Speed NW 6 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Jan 11:56 pm EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Mostly clear, with a low around 30. Northwest wind around 7 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Wind chill values between 25 and 35. Northwest wind 3 to 6 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 48. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 48 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 42. South wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 51. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 44. Wind chill values between 25 and 35. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 48. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Rain likely. Cloudy, with a low around 42. South wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly after 1pm. High near 51. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 40. Chance of precipitation is 90%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
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:
6:54 pm EST Jan 7, 2026
Forecast Valid:
12am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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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