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

56°F

13°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Oct 9:56 pm EDT
Extended Forecast for

2 Miles S Ledyard CT

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind around 6 mph.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 52. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 52. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ledyard CT
 41.42°N 72°W (Elev. 266 ft)
Last Update:
2:02 pm EDT Oct 4, 2025
Forecast Valid:
10pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
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