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

57°F

14°C

Humidity 69%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Sep 9:54 pm EDT
Extended Forecast for

Port Byron NY

  • Tonight

    Tonight: Showers, mainly after 4am. Low around 55. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Showers

  • Sunday

    Sunday: Showers, mainly before 1pm. High near 67. Southeast wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 47. North wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 63. Northeast wind around 7 mph.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64. East wind 3 to 7 mph.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Light east wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. East wind 5 to 9 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 4am. Low around 55. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 1pm. High near 67. Southeast wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 47. North wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 63. Northeast wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 64. East wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Light east wind.
Wednesday
Mostly sunny, with a high near 66. East wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 69.
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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 ft)
Last Update:
9:57 pm EDT Sep 19, 2026
Forecast Valid:
10pm EDT Sep 19, 2026-6pm EDT Sep 26, 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