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.

Fair

51°F

11°C

Humidity 38%
Wind Speed NW 10 G 20 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 11 Apr 8:56 pm EDT
Extended Forecast for

Mystic CT

Frost Advisory April 12, 12:00am until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, clear, with a low around 35. North wind 5 to 7 mph.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind 8 to 10 mph.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 60. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 35. North wind 5 to 7 mph.
Sunday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind 8 to 10 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 60. Southwest wind around 14 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 62.
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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:
6:36 pm EDT Apr 11, 2026
Forecast Valid:
9pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation