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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 3:15 pm EDT
Extended Forecast for

Williamson NY

  • Tonight

    Tonight: Mostly clear, with a low around 54. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. West wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 55. West wind around 9 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 72. West wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North wind 5 to 8 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. Light and variable wind.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. West wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 55. West wind around 9 mph. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 72. West wind 10 to 15 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamson NY
 43.23°N 77.14°W (Elev. 472 ft)
Last Update:
2:22 pm EDT Aug 20, 2026
Forecast Valid:
3pm EDT Aug 20, 2026-6pm EDT Aug 27, 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