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

48°F

9°C

Humidity 42%
Wind Speed NA
Barometer 30.53 in (1033.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Apr 10:56 am EDT
Extended Forecast for

2 Miles W Hadlyme CT

  • Today

    Today: Increasing clouds, with a high near 54. South wind 5 to 10 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 43. South wind 6 to 8 mph.

    Low: 43 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 64 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 54. South wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 43. South wind 6 to 8 mph.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 64. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 80.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
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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:
10:30 am EDT Apr 12, 2026
Forecast Valid:
11am EDT Apr 12, 2026-6pm EDT Apr 18, 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