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

34°F

1°C

Humidity 87%
Wind Speed NW 6 mph
Barometer 30.26 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Mar 8:15 pm EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Tonight

    Tonight: Scattered snow showers. Mostly cloudy, with a low around 25. North wind 8 to 11 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Scattered
    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. South wind 3 to 7 mph.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am. Cloudy, with a low around 40. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before 2am, then a chance of rain and snow showers. Cloudy, with a low around 27. West wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 27 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 8am. Partly sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered snow showers. Mostly cloudy, with a low around 25. North wind 8 to 11 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 42. Light and variable wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 49. South wind 3 to 7 mph.
Wednesday Night
A chance of showers, mainly before 2am. Cloudy, with a low around 40. South wind around 6 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain showers likely before 2am, then a chance of rain and snow showers. Cloudy, with a low around 27. West wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Friday
A chance of rain and snow showers before 8am. Partly sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 47.
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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:
7:58 pm EDT Mar 23, 2026
Forecast Valid:
8pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation