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.

Fog/Mist

36°F

2°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.38 in
Dewpoint 34°F (1°C)
Visibility 2.50 mi
Last update 2 Apr 8:15 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Today

    Today: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 54. East wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 49. South wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm. Partly sunny, with a high near 71. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. West wind 5 to 8 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 44. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 51. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 51 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. West wind around 13 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 54. East wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 49. South wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 71. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 38. West wind 5 to 8 mph becoming calm after midnight.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 44. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, with a high near 51. West wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 33. West wind around 13 mph, with gusts as high as 24 mph.
Monday
Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 44.
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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:
7:58 am EDT Apr 2, 2026
Forecast Valid:
8am EDT Apr 2, 2026-6pm EDT Apr 8, 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