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.

Fair

76°F

24°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Jun 1:56 pm EDT
Extended Forecast for

Mystic CT

  • Juneteenth

    Juneteenth: Sunny, with a steady temperature around 79. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 65. Southwest wind around 9 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 81. West wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. West wind 5 to 8 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 81. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 81 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a steady temperature around 79. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 65. Southwest wind around 9 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 81. West wind 13 to 16 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 64. West wind 5 to 8 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 81. Light west wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 84.
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:
1:32 pm EDT Jun 19, 2025
Forecast Valid:
2pm EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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