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.

Fog/Mist

42°F

6°C

Humidity 100%
Wind Speed S 6 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 42°F (6°C)
Visibility 2.00 mi
Wind Chill38°F (3°C)
Last update 15 Mar 8:56 am EDT
Extended Forecast for

3 Miles ENE East Haddam CT

  • Today

    Today: Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 51. South wind 5 to 9 mph.

    High: 51 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am. Cloudy, with a temperature falling to near 45 by 8pm, then rising to around 50 during the remainder of the night. Southeast wind 7 to 9 mph.

    Low: 45 °F⇑

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 2pm. Cloudy, with a high near 62. Breezy, with a south wind 14 to 20 mph, with gusts as high as 37 mph.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 50. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 50 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers. High near 55. Southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 55 °F

    Showers

  • Monday Night

    Monday Night: Showers likely before 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy drizzle and fog before 11am. Mostly cloudy, with a high near 51. South wind 5 to 9 mph.
Tonight
A 30 percent chance of showers, mainly after 2am. Cloudy, with a temperature falling to near 45 by 8pm, then rising to around 50 during the remainder of the night. Southeast wind 7 to 9 mph.
Sunday
A 30 percent chance of showers, mainly after 2pm. Cloudy, with a high near 62. Breezy, with a south wind 14 to 20 mph, with gusts as high as 37 mph.
Sunday Night
Showers, mainly after 8pm. Low around 50. Breezy, with a south wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers. High near 55. Southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Showers likely before 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 46.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
6:20 am EDT Mar 15, 2025
Forecast Valid:
9am EDT Mar 15, 2025-6pm EDT Mar 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation