National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Williamson-Sodus Airport (KSDC)

Lat: 43.23°NLon: 77.12°WElev: 424ft.

Fair

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 14 Apr 2:55 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 74. South wind 8 to 18 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 54. West wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. High near 72. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 71. West wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 50. West wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 62. North wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Calm wind.
Tuesday
Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. High near 74. South wind 8 to 18 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 54. West wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. High near 72. South wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 71. West wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. West wind 3 to 5 mph. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 62. North wind 5 to 7 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 45.
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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:
2:23 am EDT Apr 14, 2026
Forecast Valid:
3am EDT Apr 14, 2026-6pm EDT Apr 20, 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