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

29°F

-2°C

Humidity 63%
Wind Speed S 7 mph
Barometer 30.38 in (1028.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 Mar 12:56 am EDT
Extended Forecast for

2 Miles W Hadlyme CT

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Calm wind becoming south around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Calm wind.
Thursday
Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 31. Calm wind.
Friday
Mostly sunny, with a high near 50. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 55.
Sunday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hadlyme CT
 41.4°N 72.36°W (Elev. 279 ft)
Last Update:
5:35 pm EDT Mar 18, 2026
Forecast Valid:
1am EDT Mar 19, 2026-6pm EDT Mar 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