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

Hazardous Weather Conditions

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Fair with Haze

72°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 15 Jul 8:54 pm EDT
Extended Forecast for

Port Byron NY

Heat Advisory July 16, 11:00am until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Widespread haze before midnight. Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Haze then
    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 91. Heat index values as high as 95. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. South wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 74. North wind around 7 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread haze before midnight. Mostly clear, with a low around 70. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 91. Heat index values as high as 95. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. South wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 74. North wind around 7 mph.
Friday Night
Mostly clear, with a low around 57. Calm wind.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Byron NY
 43.03°N 76.64°W (Elev. 499 ft)
Last Update:
9:16 pm EDT Jul 15, 2025
Forecast Valid:
9pm EDT Jul 15, 2025-6pm EDT Jul 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