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

57°F

14°C

Humidity 83%
Wind Speed SW 13 G 23 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 6 May 2:56 am EDT
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Breezy, with a southwest wind around 21 mph.

    Low: 53 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Showers, mainly after 5pm. High near 57. Breezy, with a south wind 21 to 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Breezy.
    Mostly Cloudy
    then Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 11pm. Low around 49. Breezy, with a south wind 16 to 21 mph becoming west 10 to 15 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 7 to 10 mph becoming west in the afternoon.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Northwest wind around 9 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 48.

    Low: 48 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Breezy, with a southwest wind around 21 mph.
Wednesday
Showers, mainly after 5pm. High near 57. Breezy, with a south wind 21 to 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers, mainly before 11pm. Low around 49. Breezy, with a south wind 16 to 21 mph becoming west 10 to 15 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 7 to 10 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Northwest wind around 9 mph.
Friday
Sunny, with a high near 55.
Friday Night
Increasing clouds, with a low around 48.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Monday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.26°N 71.98°W (Elev. 0 ft)
Last Update:
2:02 am EDT May 6, 2026
Forecast Valid:
3am EDT May 6, 2026-6pm EDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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