National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Mostly Cloudy

66°F

19°C

Humidity 75%
Wind Speed Calm
Barometer 30.14 in (1020.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 3:54 am EDT
Extended Forecast for

3 Miles NNW Williamstown NY

  • Today

    Today: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Northeast wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. Light northeast wind.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 8am. Mostly cloudy, with a high near 74. Southeast wind around 6 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 57. Southeast wind around 6 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind.
Tonight
Partly cloudy, with a low around 62. Light and variable wind.
Sunday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 51. Northeast wind around 6 mph.
Monday
Sunny, with a high near 77. Light northeast wind.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 20%.
Tuesday
A chance of showers after 8am. Mostly cloudy, with a high near 74. Southeast wind around 6 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 57. Southeast wind around 6 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Williamstown NY
 43.46°N 75.93°W (Elev. 636 ft)
Last Update:
2:18 am EDT Aug 16, 2025
Forecast Valid:
4am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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