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

31°F

-1°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.45 in (1031.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 10 Apr 1:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 35. Light southwest wind.

    Low: 35 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 11 mph.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly between midnight and 2am. Increasing clouds, with a low around 44. South wind around 10 mph.

    Low: 44 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 58. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. North wind 3 to 7 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 35. Light southwest wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 11 mph.
Friday Night
A 30 percent chance of showers, mainly between midnight and 2am. Increasing clouds, with a low around 44. South wind around 10 mph.
Saturday
Sunny, with a high near 58. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Clear, with a low around 37. North wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
2:11 am EDT Apr 10, 2026
Forecast Valid:
2am EDT Apr 10, 2026-6pm EDT Apr 16, 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