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.

Fog

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in (1015.0 mb)
Dewpoint 62°F (17°C)
Visibility 0.50 mi
Last update 18 Jun 3:56 am EDT
Extended Forecast for

3 Miles NNE Ledyard CT

  • Overnight

    Overnight: A 50 percent chance of showers. Areas of fog. Otherwise, cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 76. South wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Cloudy, with a low around 65. Light south wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers. Areas of fog. Otherwise, cloudy, with a low around 63. Calm wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms after 2pm. Areas of fog before 11am. Otherwise, cloudy, with a high near 76. South wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Cloudy, with a low around 65. Light south wind. Chance of precipitation is 30%.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 95.
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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:
3:06 am EDT Jun 18, 2025
Forecast Valid:
4am EDT Jun 18, 2025-6pm EDT Jun 24, 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