National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

46°F

8°C

Humidity 46%
Wind Speed W 16 G 30 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Nov 1:56 pm EST
Extended Forecast for

3 Miles NNE Ledyard CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 49. West wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 8 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 49. West wind 8 to 13 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 47. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 46.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Ledyard CT
 41.49°N 71.99°W (Elev. 154 ft)
Last Update:
12:54 pm EST Nov 12, 2025
Forecast Valid:
2pm EST Nov 12, 2025-6pm EST Nov 18, 2025
 
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Additional Resources

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Chance of Precipitation