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

39°F

4°C

Humidity 79%
Wind Speed S 5 mph
Barometer 30.64 in (1037.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Apr 8:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Sunny, with a high near 53. Light south wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 35. South wind 3 to 7 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 57. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Increasing clouds, with a low around 42. South wind 7 to 10 mph becoming west after midnight.

    Low: 42 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 58. Northwest wind around 11 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °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 66.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 53. Light south wind increasing to 5 to 10 mph in the morning.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 35. South wind 3 to 7 mph.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 57. Light southwest wind becoming south 6 to 11 mph in the morning.
Friday Night
A 20 percent chance of showers. Increasing clouds, with a low around 42. South wind 7 to 10 mph becoming west after midnight.
Saturday
Sunny, with a high near 58. Northwest wind around 11 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 77.
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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:
6:37 am EDT Apr 9, 2026
Forecast Valid:
9am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
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Additional Resources

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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