National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

62°F

17°C

Humidity 96%
Wind Speed S 12 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 6 Nov 11:56 am EST
Extended Forecast for

2 Miles NNE Old Mystic CT

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Temperature falling to around 63 by 5pm. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 67 °F⇓

    Heavy Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm. Low around 55. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 55 °F

    Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the morning.

    High: 66 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. West wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 61. West wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Temperature falling to around 63 by 5pm. South wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Rain and possibly a thunderstorm. Low around 55. Light southwest wind. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42. West wind 5 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 61. West wind 9 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 38.
Veterans Day
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Old Mystic CT
 41.39°N 71.95°W (Elev. 95 ft)
Last Update:
2:56 am EST Nov 6, 2026
Forecast Valid:
12pm EST Nov 6, 2026-6pm EST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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