National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 34°F (1°C)
Visibility 2.00 mi
Last update 18 Feb 1:56 pm EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Rain, mainly before 4pm. Areas of fog before 4pm. High near 40. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: Rain likely, possibly mixing with snow after 10pm, then gradually ending. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 29. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 40. Wind chill values between 25 and 35. Light and variable wind becoming east around 6 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow between 1am and 4am, then a chance of freezing rain after 4am. Mostly cloudy, with a low around 29. Light east wind. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Friday

    Friday: Rain likely, possibly mixed with freezing rain before 7am, then rain. High near 39. East wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.

    High: 39 °F

    Rain/Freezing
    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Rain, mainly before 4pm. Areas of fog before 4pm. High near 40. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, possibly mixing with snow after 10pm, then gradually ending. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 29. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 40. Wind chill values between 25 and 35. Light and variable wind becoming east around 6 mph.
Thursday Night
A chance of snow between 1am and 4am, then a chance of freezing rain after 4am. Mostly cloudy, with a low around 29. Light east wind. Chance of precipitation is 30%.
Friday
Rain likely, possibly mixed with freezing rain before 7am, then rain. High near 39. East wind 5 to 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.
Friday Night
Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 26.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
12:48 pm EST Feb 18, 2026
Forecast Valid:
2pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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