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

57°F

14°C

Humidity 83%
Wind Speed SW 14 G 24 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 6 May 3:56 am EDT
Extended Forecast for

2 Miles ESE Groton / New London Airport CT

  • Today

    Today: Showers, mainly after 5pm. High near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Tonight

    Tonight: Showers, mainly before 11pm. Low around 49. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 6 to 8 mph becoming west in the afternoon.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northwest wind around 6 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Southwest wind 6 to 13 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 46.

    Low: 46 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after 5pm. High near 58. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 11pm. Low around 49. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 6 to 8 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 45. Northwest wind around 6 mph.
Friday
Sunny, with a high near 55. Southwest wind 6 to 13 mph.
Friday Night
Increasing clouds, with a low around 46.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Showers likely after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Monday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 56.
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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:
2:02 am EDT May 6, 2026
Forecast Valid:
4am EDT May 6, 2026-6pm EDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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