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.

Partly Cloudy

53°F

12°C

Humidity 69%
Wind Speed SW 13 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 30 Mar 12:56 pm EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 55. Southwest wind around 14 mph, with gusts as high as 30 mph.

    High: 55 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 59. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 63. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 63 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 55. Southwest wind around 14 mph, with gusts as high as 30 mph.
Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 45. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.
Tuesday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 59. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 28 mph.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 63. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 48.
Thursday Night
A 30 percent chance of rain. Cloudy, with a low around 39.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 57.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 42.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 57.
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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:
5:34 am EDT Mar 30, 2026
Forecast Valid:
1pm EDT Mar 30, 2026-6pm EDT Apr 5, 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