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

68°F

20°C

Humidity 65%
Wind Speed S 8 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Oct 11:56 am EDT
Extended Forecast for

Mystic CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Southwest wind around 7 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers, mainly before 2pm. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Southwest wind around 7 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 58.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74.
Tuesday Night
Showers likely after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers, mainly before 2pm. High near 69. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
10:06 am EDT Oct 4, 2025
Forecast Valid:
12pm EDT Oct 4, 2025-6pm EDT Oct 10, 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