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

45°F

7°C

Humidity 63%
Wind Speed W 9 G 22 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 1 Nov 6:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 57. West wind around 15 mph, with gusts as high as 31 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 55. West wind 6 to 9 mph.

    High: 55 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 58. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 58 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain before 8am. Sunny, with a high near 58.

    High: 58 °F

    Chance Rain
    then Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 57. West wind around 15 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 55. West wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
A 40 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 58. Light south wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of rain before 8am. Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 54.
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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:
6:01 am EDT Nov 1, 2025
Forecast Valid:
7am EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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