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

45°F

7°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Mar 8:56 pm EDT
Extended Forecast for

Fenwick CT

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 39. South wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 57. South wind 5 to 10 mph.

    High: 57 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 47. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a temperature rising to near 50 by 10am, then falling to around 44 during the remainder of the day.

    High: 50 °F⇓

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30.

    Low: 30 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain before 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 37. Southwest wind 3 to 5 mph.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 39. South wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 57. South wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47. South wind around 11 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a temperature rising to near 50 by 10am, then falling to around 44 during the remainder of the day.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30.
Friday
Mostly sunny, with a high near 43.
Friday Night
A 40 percent chance of rain before 2am. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fenwick CT
 41.27°N 72.36°W (Elev. 10 ft)
Last Update:
9:06 pm EDT Mar 9, 2026
Forecast Valid:
9pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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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