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

37°F

3°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.29 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Apr 3:15 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Northwest wind around 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind around 11 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Increasing clouds, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Cloudy, with a low around 50. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Showers, mainly before 2pm. High near 70. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 52. West wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Northwest wind around 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind around 11 mph.
Saturday Night
Mostly clear, with a low around 33. West wind around 5 mph becoming calm in the evening.
Sunday
Showers likely, mainly after 2pm. Increasing clouds, with a high near 59. Southeast wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 50. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 2pm. High near 70. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. West wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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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 11, 2026
Forecast Valid:
3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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