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

77°F

25°C

Humidity 32%
Wind Speed SE 10 G 17 mph
Barometer 29.84 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 1:55 pm EDT
Extended Forecast for

Thompson NY

  • This Afternoon

    This Afternoon: A chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. West wind 5 to 7 mph becoming north in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 77. West wind 5 to 7 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. Light and variable wind.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Thompson NY
 42.99°N 76.97°W (Elev. 469 ft)
Last Update:
1:34 pm EDT May 16, 2026
Forecast Valid:
1pm EDT May 16, 2026-6pm EDT May 22, 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