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

52°F

11°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Apr 5:35 am EDT
Extended Forecast for

4 Miles SSW Alton NY

  • Today

    Today: A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 74. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Rain showers before 5am, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 36. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Heavy Rain
    then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers likely before 7am, then a chance of rain showers. Mostly cloudy, with a high near 46. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers after 2pm. Mostly sunny, with a high near 40. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. West wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. South wind 6 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 74. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 5am, then rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 36. Southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain and snow showers likely before 7am, then a chance of rain showers. Mostly cloudy, with a high near 46. West wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 30. Northwest wind around 9 mph, with gusts as high as 20 mph.
Monday
A slight chance of rain and snow showers after 2pm. Mostly sunny, with a high near 40. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 27. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 54. South wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 62.
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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:
3:58 am EDT Apr 18, 2026
Forecast Valid:
5am EDT Apr 18, 2026-6pm EDT Apr 24, 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