National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

26°F

-3°C

Humidity 81%
Wind Speed Calm
Barometer 30.59 in (1035.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 29 Mar 6:56 am EDT
Extended Forecast for

2 Miles W Hadlyme CT

  • Today

    Today: Mostly sunny, with a high near 47. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Southwest wind around 10 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 47. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 2pm. Partly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 47. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Increasing clouds, with a low around 38. Southwest wind around 10 mph.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 47. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 69.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 51.
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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:
2:25 am EDT Mar 29, 2026
Forecast Valid:
7am EDT Mar 29, 2026-6pm EDT Apr 4, 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