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

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 May 10:56 pm EDT
Extended Forecast for

2 Miles WSW Fishers Island NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. Southwest wind 8 to 11 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 59. Southwest wind 7 to 9 mph becoming northwest after midnight.

    Low: 59 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 68. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 56. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 71. Southwest wind 8 to 11 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 59. Southwest wind 7 to 9 mph becoming northwest after midnight.
Thursday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 69.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 62.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.
Saturday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Fishers Island NY
 41.25°N 72.02°W (Elev. 0 ft)
Last Update:
3:13 pm EDT May 25, 2026
Forecast Valid:
11pm EDT May 25, 2026-6pm EDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation