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Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Fishers Island NY

Heat Advisory July 16, 11:00am until July 17, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 72. Light southwest wind.

    Low: 72 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South wind around 9 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 79. Southwest wind 10 to 14 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a steady temperature around 77. Southwest wind 11 to 14 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 72. Light southwest wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the morning.
Wednesday Night
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. South wind around 9 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 79. Southwest wind 10 to 14 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a steady temperature around 77. Southwest wind 11 to 14 mph.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 67.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.26°N 71.98°W (Elev. 0 ft)
Last Update:
2:02 am EDT Jul 16, 2025
Forecast Valid:
3am EDT Jul 16, 2025-6pm EDT Jul 22, 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