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

32°F

0°C

Humidity 79%
Wind Speed Calm
Barometer 30.11 in (1019.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 7 Apr 1:56 am EDT
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: A slight chance of snow showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 30%.

    Low: 36 °F

    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

Overnight
A slight chance of snow showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Calm wind. 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:
8:00 pm EDT Apr 6, 2026
Forecast Valid:
2am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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