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

51°F

11°C

Humidity 86%
Wind Speed SW 6 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Apr 10:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly cloudy, with a high near 57. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 70. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 57. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 51. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 51. Southwest wind around 6 mph.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 70. Light southwest wind increasing to 5 to 9 mph in the morning.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
A 40 percent chance of showers. Mostly cloudy, 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:
9:09 am EDT Apr 13, 2026
Forecast Valid:
11am EDT Apr 13, 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