National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Rain Fog/Mist

36°F

2°C

Humidity 93%
Wind Speed N 3 mph
Barometer 30.29 in (1025.8 mb)
Dewpoint 34°F (1°C)
Visibility 2.00 mi
Last update 5 Mar 9:56 am EST
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Rain. Patchy fog. High near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain. Patchy fog. Low around 34. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 7am. Patchy fog before 10am. High near 40. Northeast wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Northeast wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the morning.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a temperature rising to around 47 by 4am. Chance of precipitation is 60%.

    Low: 44 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

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

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Rain. Patchy fog. High near 40. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Patchy fog. Low around 34. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 7am. Patchy fog before 10am. High near 40. Northeast wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Cloudy, with a low around 33. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Showers likely. Cloudy, with a temperature rising to around 47 by 4am. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
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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:
6:25 am EST Mar 5, 2026
Forecast Valid:
10am EST Mar 5, 2026-6pm EDT Mar 11, 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