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

75°F

24°C

Humidity 54%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Aug 7:35 pm EDT
Extended Forecast for

Thompson NY

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light and variable wind becoming south around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South wind around 7 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 69. Light south wind. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Light and variable wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 87. South wind around 7 mph.
Wednesday Night
A slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 69. Light south wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Thompson NY
 42.99°N 76.97°W (Elev. 469 ft)
Last Update:
6:58 pm EDT Aug 4, 2026
Forecast Valid:
7pm EDT Aug 4, 2026-6pm EDT Aug 11, 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