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

32°F

0°C

Humidity 69%
Wind Speed W 5 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Dec 3:56 pm EST
Extended Forecast for

West Mystic CT

  • Tonight

    Tonight: Rain, mainly between 7pm and 4am. Temperature rising to around 42 by 5am. South wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F⇑

    Rain

  • Monday

    Monday: Rain, mainly between 10am and 4pm. High near 51. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 7pm. Mostly clear, with a low around 24. Wind chill values between 10 and 20. West wind around 16 mph, with gusts as high as 39 mph.

    Low: 24 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Wind chill values between 10 and 20. West wind 15 to 17 mph, with gusts as high as 36 mph.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a steady temperature around 26. West wind 9 to 15 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly between 7pm and 4am. Temperature rising to around 42 by 5am. South wind 3 to 8 mph. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly between 10am and 4pm. High near 51. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of rain before 7pm. Mostly clear, with a low around 24. Wind chill values between 10 and 20. West wind around 16 mph, with gusts as high as 39 mph.
Tuesday
Partly sunny, with a high near 31. Wind chill values between 10 and 20. West wind 15 to 17 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a steady temperature around 26. West wind 9 to 15 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 19.
New Year's Day
Partly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Mystic CT
 41.35°N 71.99°W (Elev. 98 ft)
Last Update:
1:12 pm EST Dec 28, 2025
Forecast Valid:
4pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
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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