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

29°C

85°F

Humidity 55%
Wind Speed NW 11 km/h
Barometer 1017.5 mb (30.06 in)
Dewpoint 19°C (67°F)
Visibility 10 km
Heat Index31°C (88°F)
Last update 15 Jul 2:54 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: Mostly clear, with a low around 22. North wind 5 to 10 km/h becoming calm.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 33. South wind around 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 33 °C

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 5 to 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    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 31. South wind 10 to 13 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    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 17. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 17 °C

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 23. North wind around 11 km/h.

    High: 23 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14. Calm wind.

    Low: 14 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 27. Calm wind becoming southwest 5 to 10 km/h in the morning.

    High: 27 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.

    Low: 18 °C

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 22. North wind 5 to 10 km/h becoming calm.
Wednesday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 33. South wind around 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 5 to 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. South wind 10 to 13 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
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 17. West wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 23. North wind around 11 km/h.
Friday Night
Mostly clear, with a low around 14. Calm wind.
Saturday
Mostly sunny, with a high near 27. Calm wind becoming southwest 5 to 10 km/h in the morning.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 27. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 17. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron NY
 43.03°N 76.64°W (Elev. 499 m)
Last Update:
3:34 pm EDT Jul 15, 2025
Forecast Valid:
3pm 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