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 93%
Wind Speed SE 7 mph
Barometer 29.95 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 20 Mar 8:35 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Today

    Today: Rain, mainly after 10am. High near 49. Southeast wind 6 to 15 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. North wind 3 to 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41. North wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 2am. Mostly cloudy, with a low around 32. Light east wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 8am, then rain likely. Cloudy, with a high near 45. South wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 2am, then a chance of snow showers. Cloudy, with a low around 28. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow showers before 8am. Mostly cloudy, with a high near 35. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Northwest wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 10am. High near 49. Southeast wind 6 to 15 mph becoming west in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Mostly cloudy, with a low around 31. North wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 41. North wind around 6 mph.
Saturday Night
A chance of rain and snow after 2am. Mostly cloudy, with a low around 32. Light east wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 8am, then rain likely. Cloudy, with a high near 45. South wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers likely before 2am, then a chance of snow showers. Cloudy, with a low around 28. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of snow showers before 8am. Mostly cloudy, with a high near 35. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 24. Northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. 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:
7:58 am EDT Mar 20, 2026
Forecast Valid:
8am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation