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.

Overcast

49°F

9°C

Humidity 86%
Wind Speed SE 16 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Apr 5:56 pm EDT
Extended Forecast for

2 Miles W Hadlyme CT

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 46. Southeast wind 3 to 6 mph.

    Low: 46 °F

    Patchy Fog
    then Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: Showers, mainly between 8am and 5pm. Patchy fog before 11am. High near 55. Southeast wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 36 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 50. Northwest wind around 8 mph.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. North wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 46. Southeast wind 3 to 6 mph.
Sunday
Showers, mainly between 8am and 5pm. Patchy fog before 11am. High near 55. Southeast wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 50. Northwest wind around 8 mph.
Monday Night
Mostly clear, with a low around 31. North wind around 6 mph.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
6:34 pm EDT Apr 18, 2026
Forecast Valid:
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 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