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.

Mostly Cloudy

50°F

10°C

Humidity 36%
Wind Speed W 14 G 21 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 6 Apr 4:56 pm EDT
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: A chance of rain and snow showers, mainly after 4am. Increasing clouds, with a low around 36. West wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am, then a slight chance of rain showers. Partly sunny, with a high near 49. East wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Wind chill values between 20 and 25. North wind around 8 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind around 6 mph becoming southeast in the afternoon.

    High: 45 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 30. Calm wind.

    Low: 30 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow showers, mainly after 4am. Increasing clouds, with a low around 36. West wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow showers before 8am, then a slight chance of rain showers. Partly sunny, with a high near 49. East wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 28. Wind chill values between 20 and 25. North wind around 8 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Clear, with a low around 30. Calm wind.
Thursday
Sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 63.
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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:
5:30 pm EDT Apr 6, 2026
Forecast Valid:
5pm EDT Apr 6, 2026-6pm EDT Apr 13, 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