Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

61°F

16°C

Humidity NA
Wind Speed N 9 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Sep 2:56 am EDT
Extended Forecast for

Fishers Island NY

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 5am.  Patchy fog.  Otherwise, cloudy, with a low around 64. Northeast wind around 9 mph.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. North wind 6 to 8 mph becoming southwest in the afternoon.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65. Southwest wind around 9 mph.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76. West wind around 9 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northeast wind 8 to 15 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 64. Northeast wind around 9 mph.
Thursday
Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 73. North wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Clear, with a low around 65. Southwest wind around 9 mph.
Friday
Sunny, with a high near 76. West wind around 9 mph.
Friday Night
Mostly clear, with a low around 59. Northeast wind 8 to 15 mph.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Fishers Island NY
 41.26°N 71.98°W (Elev. 0 ft)
1:56 am EDT Sep 18, 2025
3am EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database