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

2 Miles WNW Waterford CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Light southeast wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 51. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 11pm, then showers after 11pm. Low around 36. Light and variable wind. 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. Mostly cloudy, with a high near 45. North wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 8 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 32.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Light southeast wind.
Sunday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 51. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 11pm, then showers after 11pm. Low around 36. Light and variable wind. 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. Mostly cloudy, with a high near 45. North wind 9 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Increasing clouds, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Waterford CT
 41.35°N 72.17°W (Elev. 69 ft)
Last Update:
2:51 am EDT Mar 22, 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