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

56°F

13°C

Humidity 70%
Wind Speed SW 8 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Oct 2:56 pm EDT
Extended Forecast for

2 Miles SSW West Mystic CT

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light southwest wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Increasing clouds, with a low around 56. Southeast wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 65. Southeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 49. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 2am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly between 8am and 2pm. Partly sunny, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Light southwest wind.
Sunday
Sunny, with a high near 66. South wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 56. Southeast wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 65. Southeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 49. West wind 8 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 63.
Tuesday Night
A 40 percent chance of showers after 2am. Partly cloudy, with a low around 53.
Wednesday
Showers likely, mainly between 8am and 2pm. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW West Mystic CT
 41.33°N 72°W (Elev. 98 ft)
Last Update:
2:04 pm EDT Oct 18, 2025
Forecast Valid:
3pm EDT Oct 18, 2025-6pm EDT Oct 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation