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.

Overcast

36°F

2°C

Humidity 64%
Wind Speed SE 7 mph
Barometer 30.33 in (1027.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Mar 9:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 39. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 53. West wind 6 to 9 mph.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain between 8pm and 2am, then rain and snow likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow likely, mainly before 8am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 31. Calm wind.
Friday
Mostly sunny, with a high near 48. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
Rain likely. Mostly cloudy, with a low around 39. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 53. West wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
A chance of rain between 8pm and 2am, then rain and snow likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Rain and snow likely, mainly before 8am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 46.
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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:
2:26 am EDT Mar 19, 2026
Forecast Valid:
10am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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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