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.

Light Rain

44°F

7°C

Humidity 73%
Wind Speed NW 10 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Apr 3:56 pm EDT
Extended Forecast for

2 Miles W Hadlyme CT

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: Isolated showers. Partly sunny, with a high near 51. Northwest wind around 11 mph. Chance of precipitation is 20%.

    High: 51 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 28. North wind 6 to 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Widespread frost before 8am. Otherwise, sunny, with a high near 51. Wind chill values between 20 and 30 early. North wind around 6 mph becoming calm.

    High: 51 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Increasing clouds, with a low around 37. South wind around 6 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 8am and noon. Cloudy, with a high near 50. South wind 7 to 9 mph.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 51. Northwest wind around 11 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 28. North wind 6 to 10 mph.
Tuesday
Widespread frost before 8am. Otherwise, sunny, with a high near 51. Wind chill values between 20 and 30 early. North wind around 6 mph becoming calm.
Tuesday Night
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 37. South wind around 6 mph.
Wednesday
A 30 percent chance of showers, mainly between 8am and noon. Cloudy, with a high near 50. South wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 55.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 59.
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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:
3:44 pm EDT Apr 20, 2026
Forecast Valid:
4pm EDT Apr 20, 2026-6pm EDT Apr 27, 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