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

61°F

16°C

Humidity 90%
Wind Speed N 5 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Jul 6:56 am EDT
Extended Forecast for

3 Miles WSW Fishers Island NY

  • Today

    Today: Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. East wind 5 to 7 mph becoming northeast after midnight.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming light and variable in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Light and variable wind becoming south 5 to 9 mph in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Partly sunny, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming east in the afternoon.
Tonight
Clear, with a low around 63. East wind 5 to 7 mph becoming northeast after midnight.
Sunday
Sunny, with a high near 74. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 64. Southeast wind around 5 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 74. Light and variable wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 68. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 8am. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Fishers Island NY
 41.25°N 72.04°W (Elev. 0 ft)
Last Update:
2:44 am EDT Jul 25, 2026
Forecast Valid:
7am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
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