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.

Mostly Cloudy

50°F

10°C

Humidity 93%
Wind Speed SW 9 mph
Barometer 29.65 in (1003.9 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Wind Chill46°F (8°C)
Last update 27 Mar 4:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Overnight

    Overnight: Showers likely. Cloudy, with a steady temperature around 52. Northwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 8am. Mostly cloudy, with a temperature falling to around 46 by 10am. North wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 50 °F⇓

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Northwest wind 3 to 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely. Cloudy, with a steady temperature around 52. Northwest wind around 9 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers before 8am. Mostly cloudy, with a temperature falling to around 46 by 10am. North wind 10 to 13 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 28. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 25. Northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A 40 percent chance of rain after 8am. Partly sunny, with a high near 58.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 64.
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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:
4:46 am EDT Mar 27, 2026
Forecast Valid:
5am EDT Mar 27, 2026-6pm EDT Apr 2, 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