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

49°F

9°C

Humidity 41%
Wind Speed S 10 mph
Barometer 30.51 in (1033.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Apr 12:56 pm EDT
Extended Forecast for

2 Miles W Hadlyme CT

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 54. South wind 8 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

This Afternoon
Increasing clouds, with a high near 54. South wind 8 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:
1pm EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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