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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 41°F (5°C)
Visibility 2.00 mi
Last update 15 Mar 7:56 am EDT
Extended Forecast for

Mystic CT

  • Today

    Today: Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 48. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 48 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am. Patchy fog before 2am. Otherwise, cloudy, with a temperature falling to near 43 by 8pm, then rising to around 47 during the remainder of the night. Southeast wind 3 to 7 mph.

    Low: 43 °F⇑

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 56. South wind 10 to 15 mph, with gusts as high as 32 mph.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 47. South wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 47 °F

    Showers

  • Monday

    Monday: Showers. Steady temperature around 50. Southeast wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 50 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 48. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 2am. Patchy fog before 2am. Otherwise, cloudy, with a temperature falling to near 43 by 8pm, then rising to around 47 during the remainder of the night. Southeast wind 3 to 7 mph.
Sunday
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 56. South wind 10 to 15 mph, with gusts as high as 32 mph.
Sunday Night
Showers, mainly after 8pm. Low around 47. South wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers. Steady temperature around 50. Southeast wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
6:20 am EDT Mar 15, 2025
Forecast Valid:
8am EDT Mar 15, 2025-6pm EDT Mar 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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