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.

Mostly Cloudy

30°F

-1°C

Humidity 51%
Wind Speed W 3 mph
Barometer 30.22 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 13 Feb 11:55 am EST
Extended Forecast for

4 Miles SSW Alton NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. Southwest wind around 10 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Snow showers, mainly before 2am. Temperature rising to around 30 by 2am. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F⇑

    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers between 1pm and 4pm. Mostly cloudy, with a high near 34. West wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37. Calm wind becoming southeast around 6 mph in the morning.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. Light south wind.

    Low: 29 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 40. South wind 3 to 6 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Light south wind.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. Southwest wind around 10 mph.
Tonight
Snow showers, mainly before 2am. Temperature rising to around 30 by 2am. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
A slight chance of snow showers between 1pm and 4pm. Mostly cloudy, with a high near 34. West wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 21. Calm wind.
Sunday
Partly sunny, with a high near 37. Calm wind becoming southeast around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 29. Light south wind.
Washington's Birthday
Partly sunny, with a high near 40. South wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 30. Light south wind.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Alton NY
 43.18°N 77.09°W (Elev. 499 ft)
Last Update:
9:37 am EST Feb 13, 2026
Forecast Valid:
12pm EST Feb 13, 2026-6pm EST Feb 19, 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