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

37°F

3°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.32 in (1026.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Mar 3:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Partly sunny, with a high near 48. Light west wind becoming southwest 5 to 9 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind 5 to 9 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 54. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 45. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 50. North wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 48. Light west wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 38. South wind 5 to 9 mph.
Thursday
Mostly cloudy, with a high near 54. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Rain, mainly after 2am. Low around 45. Southwest wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 8am. High near 50. North wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
2:27 am EDT Mar 25, 2026
Forecast Valid:
4am EDT Mar 25, 2026-6pm EDT Mar 31, 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