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.

Mostly Cloudy

45°F

7°C

Humidity 37%
Wind Speed S 9 G 16 mph
Barometer 30.26 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 Apr 11:55 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 54. Southeast wind around 10 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 42. South wind 7 to 16 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Calm wind becoming north around 6 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. Northeast wind 3 to 7 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 42. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 54. Southeast wind around 10 mph.
Tonight
A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 42. South wind 7 to 16 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 58. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. Calm wind.
Thursday
Mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 40. Calm wind.
Friday
Mostly sunny, with a high near 55. Northeast wind 3 to 7 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 42. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9:58 am EDT Apr 21, 2026
Forecast Valid:
12pm EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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