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.

Fair

55°F

13°C

Humidity 88%
Wind Speed SW 3 mph
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 6 Sep 10:55 pm EDT
Extended Forecast for

3 Miles SW Alton NY

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind around 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 67. West wind 8 to 14 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 46. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 68. Northwest wind 6 to 8 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. South wind around 7 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. South wind around 6 mph becoming northeast in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Southwest wind around 7 mph.
Sunday
A slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 67. West wind 8 to 14 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 46. West wind around 7 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 68. Northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 46. Light and variable wind.
Tuesday
Sunny, with a high near 76. South wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 53. South wind around 6 mph.
Wednesday
Sunny, with a high near 77. South wind around 6 mph becoming northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alton NY
 43.18°N 77.09°W (Elev. 499 ft)
Last Update:
10:36 pm EDT Sep 6, 2025
Forecast Valid:
11pm EDT Sep 6, 2025-6pm EDT Sep 13, 2025
 
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