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.

Light Rain Fog/Mist

70°F

21°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 29.84 in (1010.3 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 17 Aug 1:56 pm EDT
Extended Forecast for

Mystic CTSimilar City Names

  • This Afternoon

    This Afternoon: Areas of drizzle before 3pm. Mostly cloudy, with a steady temperature around 70. East wind around 10 mph.

    High: 70 °F

    Areas Drizzle

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 67. North wind 3 to 7 mph.

    Low: 67 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North wind around 6 mph becoming southwest in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Areas of drizzle before 3pm. Mostly cloudy, with a steady temperature around 70. East wind around 10 mph.
Tonight
Patchy fog after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 67. North wind 3 to 7 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. North wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Light and variable wind.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 81.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 63.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 77.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mystic CTSimilar City Names
 41.35°N 71.96°W (Elev. 0 ft)
Last Update:
2:24 pm EDT Aug 17, 2026
Forecast Valid:
2pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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Additional Resources

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Chance of Precipitation