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.

Overcast

35°F

2°C

Humidity 67%
Wind Speed N 8 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 1 Mar 1:56 pm EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 37. North wind 7 to 9 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 15. North wind around 7 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable in the afternoon.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Light south wind.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 4pm. High near 41. South wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 37. North wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 15. North wind around 7 mph.
Monday
Sunny, with a high near 29. Wind chill values between 5 and 15. North wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Mostly clear, with a low around 17. Light south wind.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 41. South wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 49.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 37.
Friday
A 50 percent chance of rain. Cloudy, with a high near 44.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 35.
Saturday
Cloudy, with a high near 51.
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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:
12:56 pm EST Mar 1, 2026
Forecast Valid:
2pm EST Mar 1, 2026-6pm EST Mar 7, 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