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

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

40°F

4°C

Humidity 73%
Wind Speed S 6 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 28 Feb 8:56 am EST
Extended Forecast for

New London CT

  • Today

    Today: Increasing clouds, with a high near 44. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly between 10am and 4pm. Increasing clouds, with a high near 37. Wind chill values between 20 and 30. North wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 12. Wind chill values between 5 and 10. North wind 6 to 11 mph.

    Low: 12 °F

    Chance Snow
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 28. North wind 5 to 7 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of rain after 1pm. Increasing clouds, with a high near 41.

    High: 41 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 44. Light and variable wind becoming south 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 27. Calm wind becoming north 5 to 8 mph after midnight.
Sunday
Snow likely, mainly between 10am and 4pm. Increasing clouds, with a high near 37. Wind chill values between 20 and 30. North wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 12. Wind chill values between 5 and 10. North wind 6 to 11 mph.
Monday
Sunny, with a high near 28. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 15.
Tuesday
A 50 percent chance of rain after 1pm. Increasing clouds, with a high near 41.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 90%.
Wednesday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 47.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 47.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 39.
Friday
A 30 percent chance of rain. Cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.35°N 72.11°W (Elev. 98 ft)
Last Update:
9:41 am EST Feb 28, 2026
Forecast Valid:
9am EST Feb 28, 2026-6pm EST Mar 6, 2026
 
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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