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.

Fair

48°F

9°C

Humidity 44%
Wind Speed S 12 mph
Barometer 30.53 in (1033.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Apr 11:56 am EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 52. South wind 9 to 11 mph.

    High: 52 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 42. South wind 5 to 9 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 9 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 52. South wind 9 to 11 mph.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 42. South wind 5 to 9 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. West wind 6 to 10 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
10:30 am EDT Apr 12, 2026
Forecast Valid:
12pm EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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