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.

Partly Cloudy

32°F

0°C

Humidity 80%
Wind Speed W 5 mph
Barometer 30.45 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 24 Mar 8:55 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Today

    Today: Partly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. West wind around 5 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 39. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 62. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers likely before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 28 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 33. North wind around 10 mph, with gusts as high as 21 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Northwest wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 28. West wind around 5 mph becoming calm after midnight.
Wednesday
Mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 39. South wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 62. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain showers likely before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 33. North wind around 10 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 51.
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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 24, 2026
Forecast Valid:
8am EDT Mar 24, 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