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

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Overcast

32°F

0°C

Humidity 87%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Feb 11:55 pm EST
Extended Forecast for

4 Miles SSW Alton NY

  • Tonight

    Tonight: Cloudy, with a low around 28. East wind 7 to 9 mph.

    Low: 28 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. East wind 3 to 6 mph.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 33. Southeast wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 41. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 30. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly cloudy, with a high near 35. West wind around 7 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Light northeast wind.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 33. East wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy, with a low around 28. East wind 7 to 9 mph.
Thursday
Mostly cloudy, with a high near 39. East wind 3 to 6 mph.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. Southeast wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 41. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 30. West wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 35. West wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 25. Light northeast wind.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. East wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Alton NY
 43.18°N 77.09°W (Elev. 499 ft)
Last Update:
9:36 pm EST Feb 18, 2026
Forecast Valid:
11pm EST Feb 18, 2026-6pm EST Feb 25, 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