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

29°F

-2°C

Humidity 75%
Wind Speed N 5 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 20 Nov 12:56 am EST
Extended Forecast for

Mystic CT

  • Overnight

    Overnight: Partly cloudy, with a low around 30. North wind 3 to 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. North wind around 5 mph becoming light and variable in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 52. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40. Southwest wind 5 to 7 mph becoming northwest after midnight.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. North wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 46. North wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 31. Calm wind.
Friday
Partly sunny, with a high near 52. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. Southwest wind 5 to 7 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 57.
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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:
12:34 am EST Nov 20, 2025
Forecast Valid:
1am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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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