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

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Overcast

68°F

20°C

Humidity 90%
Wind Speed Calm
Barometer 30.22 in (1023.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 9:54 am EDT
Extended Forecast for

Port Byron NY

  • Today

    Today: Showers likely, mainly before 11am. Cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. North wind 3 to 8 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 56. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 67. South wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 50. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, mainly before 11am. Cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 72. North wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 67. Calm wind.
Saturday Night
Showers, mainly after 2am. Low around 56. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 2pm. High near 67. South wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 50. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Byron NY
 43.03°N 76.64°W (Elev. 499 ft)
Last Update:
9:57 am EDT Sep 17, 2026
Forecast Valid:
10am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

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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