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

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1016.8 mb)
Dewpoint 63°F (17°C)
Visibility 0.25 mi
Last update 29 Jun 4:56 am EDT
Extended Forecast for

Fenwick CT

Extreme Heat Watch July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 73.
Friday
Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 72.
Independence Day
A 40 percent chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fenwick CT
 41.29°N 72.36°W (Elev. 3 ft)
Last Update:
5:38 am EDT Jun 29, 2026
Forecast Valid:
5am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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