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

44°F

7°C

Humidity 73%
Wind Speed NW 9 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 1 May 4:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 61. West wind 6 to 9 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 56. South wind 3 to 8 mph.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before 2pm. Partly sunny, with a high near 59. Northwest wind 8 to 13 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. West wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind 3 to 6 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. South wind 3 to 8 mph.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 20 percent chance of rain before 2pm. Partly sunny, with a high near 59. Northwest wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
3:35 am EDT May 1, 2026
Forecast Valid:
5am EDT May 1, 2026-6pm EDT May 7, 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