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

37°F

3°C

Humidity 42%
Wind Speed NW 7 mph
Barometer 30.45 in (1031.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 29 Nov 4:56 pm EST
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 10am. High near 51. South wind 7 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Slight Chance
    Rain then
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 7pm. Low around 32. Wind chill values between 25 and 30. Southwest wind 10 to 14 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 9 to 14 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 4am. Increasing clouds, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 7am, then rain. High near 45. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Rain Likely

  • Wednesday

    Wednesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Rain, mainly after 10am. High near 51. South wind 7 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 7pm. Low around 32. Wind chill values between 25 and 30. Southwest wind 10 to 14 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 9 to 14 mph.
Monday Night
A 40 percent chance of snow after 4am. Increasing clouds, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of rain and snow before 7am, then rain. High near 45. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 37.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 25.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 40.
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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:
5:44 pm EST Nov 29, 2025
Forecast Valid:
5pm EST Nov 29, 2025-6pm EST Dec 6, 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