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.

Overcast

50°F

10°C

Humidity 48%
Wind Speed S 18 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 3 Nov 4:56 pm EST
Extended Forecast for

New London CT

  • Tonight

    Tonight: A chance of showers and thunderstorms between 8pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Breezy, with a south wind 11 to 16 mph becoming west 17 to 22 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Breezy.
    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 8 to 13 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Breezy, with a southwest wind 20 to 25 mph becoming northwest after midnight.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.

    Low: 52 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 8pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Breezy, with a south wind 11 to 16 mph becoming west 17 to 22 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 58. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 45. West wind 8 to 13 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 59. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.
Wednesday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Breezy, with a southwest wind 20 to 25 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 52. Breezy.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 59.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain before 1pm. Partly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New London CT
 41.34°N 72.08°W (Elev. 36 ft)
Last Update:
1:08 pm EST Nov 3, 2025
Forecast Valid:
5pm EST Nov 3, 2025-6pm EST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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