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

66°F

19°C

Humidity NA
Wind Speed SE 3 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint N/A
Visibility 8.00 mi
Last update 24 Aug 11:56 pm EDT
Extended Forecast for

2 Miles WSW Yantic CT

  • Overnight

    Overnight: A 20 percent chance of showers after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 2pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light northwest wind becoming west 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Light northwest wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 2pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 80. Light northwest wind becoming west 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 56. Light northwest wind.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Yantic CT
 41.52°N 72.07°W (Elev. 52 ft)
Last Update:
11:55 pm EDT Aug 24, 2025
Forecast Valid:
12am EDT Aug 25, 2025-6pm EDT Aug 31, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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