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.

Mostly Cloudy

39°F

4°C

Humidity 67%
Wind Speed W 5 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Mar 6:56 am EDT
Extended Forecast for

Fishers Island NY

  • Today

    Today: Sunny, with a high near 45. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 45 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 30. Wind chill values between 20 and 25. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.

    Low: 30 °F

    Clear and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 42. Wind chill values between 20 and 30. North wind 6 to 14 mph becoming southeast in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely after 2am. Increasing clouds, with a temperature rising to around 45 by 5am. Breezy, with a southeast wind 14 to 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F⇑

    Mostly Cloudy
    then Rain
    Likely and
    Breezy

  • Monday

    Monday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 52. Windy, with a south wind 30 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 52 °F

    Heavy Rain
    and Windy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 38. Very windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Heavy Rain
    and Very
    Windy

  • Tuesday

    Tuesday: Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy. Chance of precipitation is 60%.

    High: 42 °F

    Breezy. Rain
    Likely then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Breezy.

    Low: 27 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 45. Windy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph.
Tonight
Mostly clear, with a low around 30. Wind chill values between 20 and 25. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight.
Sunday
Partly sunny, with a high near 42. Wind chill values between 20 and 30. North wind 6 to 14 mph becoming southeast in the afternoon.
Sunday Night
Rain likely after 2am. Increasing clouds, with a temperature rising to around 45 by 5am. Breezy, with a southeast wind 14 to 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 52. Windy, with a south wind 30 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 38. Very windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 27. Breezy.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.27°N 72.01°W (Elev. 7 ft)
Last Update:
3:09 am EDT Mar 14, 2026
Forecast Valid:
7am EDT Mar 14, 2026-6pm EDT Mar 20, 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