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

57°F

14°C

Humidity 67%
Wind Speed NW 13 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Jun 3:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Sunny, with a high near 76. Northwest wind 5 to 8 mph becoming west in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind around 6 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southeast wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Northwest wind 5 to 8 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 55. Southwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southeast wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Juneteenth
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 79.
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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:
2:42 am EDT Jun 16, 2026
Forecast Valid:
5am EDT Jun 16, 2026-6pm EDT Jun 22, 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