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

42°F

6°C

Humidity 62%
Wind Speed NW 10 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 17 Oct 12:56 am EDT
Extended Forecast for

Mystic CTSimilar City Names

  • Overnight

    Overnight: Clear, with a low around 40. North wind around 10 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61. North wind around 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. North wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. North wind around 6 mph becoming west in the afternoon.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Light southwest wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 40. North wind around 10 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 61. North wind around 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 40. North wind around 6 mph.
Saturday
Sunny, with a high near 62. North wind around 6 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 49. Light southwest wind.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 64.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CTSimilar City Names
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
6:06 pm EDT Oct 16, 2025
Forecast Valid:
1am EDT Oct 17, 2025-6pm EDT Oct 23, 2025
 
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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