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.

Rain Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed E 10 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Last update 11 Oct 3:56 pm EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Rain. High near 62. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 2am. Low around 54. Northeast wind 9 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Rain

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 71. North wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 54. Light and variable wind.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Northeast wind 5 to 8 mph becoming south in the afternoon.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain. High near 62. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 2am. Low around 54. Northeast wind 9 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 71. North wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 54. Light and variable wind.
Tuesday
Partly sunny, with a high near 67. Northeast wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Showers likely. Partly sunny, with a high near 65. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 56. Breezy.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 52.
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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:
3:33 pm EDT Oct 11, 2026
Forecast Valid:
4pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation