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

47°F

8°C

Humidity 59%
Wind Speed S 13 mph
Barometer 30.45 in (1030.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Apr 3:56 pm EDT
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Southwest wind 3 to 8 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 51. Southwest wind around 6 mph.

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 68. Southwest wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 51. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 52.
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.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 63.
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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:
4:35 pm EDT Apr 12, 2026
Forecast Valid:
4pm EDT Apr 12, 2026-6pm EDT Apr 19, 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