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.

Light Rain

41°F

5°C

Humidity 62%
Wind Speed SW 14 G 26 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Jan 2:56 pm EST
Extended Forecast for

Mystic CT

Winter Weather Advisory January 18, 10:00am until January 18, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Rain likely before 5pm, then rain and snow likely. Cloudy, with a high near 44. Southwest wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow likely before 7pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 30. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Sunday

    Sunday: Periods of snow, mainly after 7am. High near 35. Calm wind becoming west around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely before 1am. Mostly cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Likely

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. West wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely before 5pm, then rain and snow likely. Cloudy, with a high near 44. Southwest wind around 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 7pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 30. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Periods of snow, mainly after 7am. High near 35. Calm wind becoming west around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely before 1am. Mostly cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 34. West wind 5 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 33.
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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:
3:18 pm EST Jan 17, 2026
Forecast Valid:
3pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation