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

30°F

-1°C

Humidity 56%
Wind Speed W 6 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Jan 4:56 am EST
Extended Forecast for

Mystic CT

  • Today

    Today: Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind around 16 mph, with gusts as high as 30 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43. West wind 6 to 9 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a steady temperature around 39. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 46. Southwest wind 6 to 9 mph.

    High: 46 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind around 16 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 31. West wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 43. West wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 39. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 46. Southwest wind 6 to 9 mph.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A 30 percent chance of snow showers. Partly sunny, with a high near 38.
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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:
1:57 am EST Jan 12, 2026
Forecast Valid:
5am EST Jan 12, 2026-6pm EST Jan 18, 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