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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Fulton, Oswego County Airport (KFZY)

Lat: 43.35°NLon: 76.39°WElev: 476ft.

Partly Cloudy

71°F

22°C

Humidity 73%
Wind Speed Calm
Barometer 29.91 in (1012.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 7:54 pm EDT
Extended Forecast for

Oswego NY

  • Tonight

    Tonight: A slight chance of showers after 3am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. South wind around 6 mph becoming west in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. South wind around 7 mph becoming west in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers after 3am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
A slight chance of showers before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 6 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 75. South wind around 6 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 79. South wind around 7 mph becoming west in the afternoon.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oswego NY
 43.45°N 76.5°W (Elev. 312 ft)
Last Update:
7:57 pm EDT Aug 27, 2026
Forecast Valid:
8pm EDT Aug 27, 2026-6pm EDT Sep 3, 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