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.

Overcast

59°F

15°C

Humidity 100%
Wind Speed NE 12 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Aug 6:56 am EDT
Extended Forecast for

3 Miles ESE East Haddam CT

  • Today

    Today: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 73 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind 11 to 13 mph, with gusts as high as 28 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. North wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Northeast wind 10 to 15 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 56. North wind 11 to 13 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 83. North wind 8 to 11 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 84. Calm wind becoming south 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Partly sunny, with a high near 80.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE East Haddam CT
 41.43°N 72.42°W (Elev. 98 ft)
Last Update:
1:51 am EDT Aug 21, 2025
Forecast Valid:
7am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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