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

61°F

16°C

Humidity 75%
Wind Speed S 6 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Apr 9:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly sunny, with a temperature rising to near 69 by noon, then falling to around 61 during the remainder of the day. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 69 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. South wind 3 to 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

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

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 68. South wind 3 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a temperature rising to near 69 by noon, then falling to around 61 during the remainder of the day. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 51. South wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 68. South wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 53.
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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:
10:17 am EDT Apr 14, 2026
Forecast Valid:
10am EDT Apr 14, 2026-6pm EDT Apr 20, 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