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.

A Few Clouds and Breezy

48°F

9°C

Humidity 30%
Wind Speed NW 23 G 33 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 14 Mar 3:56 pm EDT
Extended Forecast for

2 Miles ESE Groton / New London Airport CT

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 42. North wind 5 to 11 mph becoming southeast in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers after 2am. Temperature falling to near 38 by 9pm, then rising to around 44 during the remainder of the night. Southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F⇑

    Mostly Cloudy
    then Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 53. Breezy, with a south wind 20 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 53 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Windy, with a south wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 37 by 8am. Chance of precipitation is 60%.

    High: 40 °F⇓

    Showers
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Partly sunny, with a high near 42. North wind 5 to 11 mph becoming southeast in the afternoon.
Sunday Night
Showers after 2am. Temperature falling to near 38 by 9pm, then rising to around 44 during the remainder of the night. Southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 53. Breezy, with a south wind 20 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Windy, with a south wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely before 8am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 37 by 8am. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Groton / New London Airport CT
 41.31°N 72°W (Elev. 3 ft)
Last Update:
2:22 pm EDT Mar 14, 2026
Forecast Valid:
4pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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Chance of Precipitation