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

52°F

11°C

Humidity 93%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 Oct 2:54 am EDT
Extended Forecast for

Port Byron NY

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 9am. Otherwise, cloudy, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Light south wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 76. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60. North wind 3 to 5 mph.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 51. Calm wind.
Columbus Day
Patchy fog before 9am. Otherwise, cloudy, with a high near 68. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. Light south wind.
Tuesday
Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 76. South wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 64. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 48. Calm wind.
Thursday
Partly sunny, with a high near 60. North wind 3 to 5 mph.
Thursday Night
Showers, mainly after 2am. Low around 47. Chance of precipitation is 80%.
Friday
Showers. High near 62. Chance of precipitation is 80%.
Friday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 56.
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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:
2:22 am EDT Oct 12, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation