Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

43°F

6°C

Humidity 60%
Wind Speed W 7 mph
Barometer 29.62 in (1002.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Nov 4:56 pm EST
Extended Forecast for

Old Mystic CT

  • Tonight

    Tonight: Showers between 7pm and 4am.  Temperature rising to around 51 by 3am. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after 4pm.  Partly sunny, with a temperature rising to near 55 by 10am, then falling to around 45 during the remainder of the day. West wind 10 to 16 mph, with gusts as high as 34 mph.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 14 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. West wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers between 7pm and 4am. Temperature rising to around 51 by 3am. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 20 percent chance of showers after 4pm. Partly sunny, with a temperature rising to near 55 by 10am, then falling to around 45 during the remainder of the day. West wind 10 to 16 mph, with gusts as high as 34 mph.
Sunday Night
Partly cloudy, with a low around 30. Wind chill values between 20 and 25. West wind 11 to 14 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 14 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 31. West wind 8 to 11 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Mystic CT
 41.37°N 71.99°W (Elev. 131 ft)
1:51 pm EST Nov 15, 2025
5pm EST Nov 15, 2025-6pm EST Nov 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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