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

64°F

18°C

Humidity 78%
Wind Speed NW 10 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 6:56 pm EDT
Extended Forecast for

2 Miles ESE Hadlyme CT

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.

    High: 67 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. West wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northwest wind 3 to 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54. Light north wind.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. East wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 3 to 7 mph. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 79. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 46.
Friday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 53. Breezy.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Hadlyme CT
 41.39°N 72.31°W (Elev. 105 ft)
Last Update:
2:47 pm EDT Oct 12, 2026
Forecast Valid:
7pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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