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

62°F

17°C

Humidity 86%
Wind Speed N 8 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 2:56 am EDT
Extended Forecast for

2 Miles ESE Groton / New London Airport CT

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light and variable wind becoming south 6 to 11 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 11pm. Low around 68. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 11am, then showers likely. High near 75. Southeast wind 9 to 15 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light north wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Sunday
Mostly sunny, with a high near 76. Light and variable wind becoming south 6 to 11 mph in the afternoon.
Sunday Night
Showers, mainly after 11pm. Low around 68. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 75. Southeast wind 9 to 15 mph becoming east in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 67. Light north wind.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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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:
2:19 am EDT Aug 16, 2026
Forecast Valid:
3am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation