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.

Fair

34°F

1°C

Humidity 85%
Wind Speed W 6 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Jan 3:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Sunny, with a high near 44. Northwest wind 3 to 6 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 48. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 40. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly after 1pm. High near 48. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Steady temperature around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of showers. Cloudy, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 44. Northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 28. Calm wind.
Friday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 48. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 40. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly after 1pm. High near 48. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Steady temperature around 43. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of showers. Cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 45.
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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:
4:36 am EST Jan 8, 2026
Forecast Valid:
4am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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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