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.

Rain

45°F

7°C

Humidity 76%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 May 12:15 am EDT
Extended Forecast for

3 Miles SW Alton NY

  • Overnight

    Overnight: Showers, mainly after 2am. Low around 44. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 65. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm. Partly sunny, with a high near 54. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 43. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 62. Northwest wind 5 to 7 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

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

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Showers, mainly after 2am. Low around 44. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 65. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 54. Light and variable wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 43. Northwest wind around 5 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 62. Northwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 48. Light south wind.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. South wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alton NY
 43.18°N 77.09°W (Elev. 499 ft)
Last Update:
9:57 pm EDT May 12, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 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