Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 45°F (7°C)
Visibility 1.75 mi
Wind Chill42°F (6°C)
Last update 19 Apr 5:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Today

    Today: Showers, mainly after 8am.  Patchy fog before 11am. Temperature rising to near 50 by 10am, then falling to around 43 during the remainder of the day. Southeast wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 5 to 9 mph becoming light west  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely then
    Clear

  • Monday

    Monday: A 30 percent chance of showers.  Increasing clouds, with a high near 49. West wind 5 to 8 mph.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind around 8 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. North wind around 6 mph becoming southwest in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 38.

    Low: 38 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after 8am. Patchy fog before 11am. Temperature rising to near 50 by 10am, then falling to around 43 during the remainder of the day. Southeast wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Increasing clouds, with a high near 49. West wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 30. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 50. North wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 38.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
4:26 am EDT Apr 19, 2026
6am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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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