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.

A Few Clouds

41°F

5°C

Humidity 89%
Wind Speed NW 10 G 18 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Jan 4:56 am EST
Extended Forecast for

3 Miles ESE East Haddam CT

  • Today

    Today: Rain, mainly after 4pm. High near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Cloudy then
    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Steady temperature around 39. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: A 40 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind 6 to 11 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly after 4pm. High near 44. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 4am. Steady temperature around 39. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Light northwest wind becoming west 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 8 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 39. West wind 6 to 11 mph.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 33.
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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:
2:50 am EST Jan 10, 2026
Forecast Valid:
5am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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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