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.

Fair

35°F

2°C

Humidity 61%
Wind Speed W 9 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 13 Jan 1:56 am EST
Extended Forecast for

2 Miles W Hadlyme CT

  • Overnight

    Overnight: Clear, with a steady temperature around 33. West wind around 6 mph.

    Low: 33 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. West wind 5 to 9 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a steady temperature around 39. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 47. South wind 5 to 7 mph.

    High: 47 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a temperature falling to around 29 by 5pm.

    High: 38 °F⇓

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a steady temperature around 33. West wind around 6 mph.
Tuesday
Increasing clouds, with a high near 43. West wind 5 to 9 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a steady temperature around 39. South wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 47. South wind 5 to 7 mph.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 31. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a temperature falling to around 29 by 5pm.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 21.
M.L.King Day
Mostly sunny, with a high near 31.
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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:
1:18 am EST Jan 13, 2026
Forecast Valid:
2am EST Jan 13, 2026-6pm EST Jan 19, 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