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.

Fog/Mist

54°F

12°C

Humidity 94%
Wind Speed NW 3 mph
Barometer 29.84 in
Dewpoint 52°F (11°C)
Visibility 0.75 mi
Last update 17 Apr 3:35 am EDT
Extended Forecast for

5 Miles S Alton NY

  • Overnight

    Overnight: A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 50. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58. North wind around 6 mph.

    High: 58 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind becoming southeast around 6 mph after midnight.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 5pm. Partly sunny, with a high near 73. South wind 13 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 37. South wind around 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 44. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 50. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 58. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 47. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Showers likely and possibly a thunderstorm, mainly after 5pm. Partly sunny, with a high near 73. South wind 13 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 37. South wind around 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers. Mostly cloudy, with a high near 44. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 30. West wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Alton NY
 43.16°N 77.06°W (Elev. 499 ft)
Last Update:
2:22 am EDT Apr 17, 2026
Forecast Valid:
4am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation