Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

77°F

25°C

Humidity 90%
Wind Speed W 10 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 6:56 pm EDT
Extended Forecast for

Mystic CT

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 8pm.  Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 62. Southwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming south in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 68. South wind 5 to 7 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62. Southwest wind 6 to 11 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68. South wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CT
 41.35°N 71.96°W (Elev. 0 ft)
6:39 pm EDT Aug 3, 2026
7pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database