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.

Mostly Cloudy

40°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 30.03 in (1016.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 Mar 1:56 am EDT
Extended Forecast for

3 Miles NE Gales Ferry CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 54. South wind 6 to 10 mph.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Cloudy, with a high near 44. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 3 to 6 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Calm wind.
Sunday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 54. South wind 6 to 10 mph.
Sunday Night
Rain. Low around 36. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Cloudy, with a high near 44. North wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Increasing clouds, with a low around 31.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Gales Ferry CT
 41.49°N 72.05°W (Elev. 98 ft)
Last Update:
3:03 pm EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 22, 2026-6pm EDT Mar 28, 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