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.

A Few Clouds

47°F

8°C

Humidity 63%
Wind Speed Calm
Barometer 29.61 in (1002.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 14 Jan 2:56 pm EST
Extended Forecast for

2 Miles W Hadlyme CT

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 50. South wind around 6 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly between 7pm and 4am. Cloudy, with a steady temperature around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a temperature rising to near 43 by 11am, then falling to around 35 during the remainder of the day. South wind 6 to 13 mph.

    High: 43 °F⇓

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Wind chill values between 5 and 15. West wind 11 to 14 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. West wind 9 to 14 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 34.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 50. South wind around 6 mph.
Tonight
A 50 percent chance of rain, mainly between 7pm and 4am. Cloudy, with a steady temperature around 41. South wind 3 to 6 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a temperature rising to near 43 by 11am, then falling to around 35 during the remainder of the day. South wind 6 to 13 mph.
Thursday Night
Partly cloudy, with a low around 19. Wind chill values between 5 and 15. West wind 11 to 14 mph.
Friday
Sunny, with a high near 33. West wind 9 to 14 mph.
Friday Night
Mostly cloudy, with a steady temperature around 30.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 34.
Sunday Night
A 30 percent chance of snow before 1am. Partly cloudy, with a low around 19.
M.L.King Day
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 26.
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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:
2:31 pm EST Jan 14, 2026
Forecast Valid:
3pm EST Jan 14, 2026-6pm EST Jan 21, 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