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

34°F

1°C

Humidity 61%
Wind Speed S 7 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Feb 12:56 pm EST
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 38. South wind 3 to 5 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 3am. Otherwise, increasing clouds, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 45. Light and variable wind becoming south around 6 mph.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before midnight, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Fog

  • Sunday

    Sunday: Snow showers likely, mainly between 10am and 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 39. Northwest wind 3 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 38. South wind 3 to 5 mph.
Tonight
Patchy fog before 1am, then patchy fog after 3am. Otherwise, increasing clouds, with a low around 26. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 45. Light and variable wind becoming south around 6 mph.
Saturday Night
Patchy fog before midnight, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 28. Calm wind.
Sunday
Snow showers likely, mainly between 10am and 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 39. Northwest wind 3 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow showers before 7pm. Mostly clear, with a low around 14.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Tuesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
12:50 pm EST Feb 27, 2026
Forecast Valid:
1pm EST Feb 27, 2026-6pm EST Mar 5, 2026
 
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Additional Resources

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Chance of Precipitation