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.

Overcast

59°F

15°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.07 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Aug 12:15 am EDT
Extended Forecast for

Thompson NY

  • Overnight

    Overnight: Scattered showers, mainly between 1am and 2am. Patchy fog. Otherwise, cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 73. Northeast wind around 6 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers, mainly between 1am and 2am. Patchy fog. Otherwise, cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 73. Northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 55. Calm wind.
Friday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A chance of showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompson NY
 42.99°N 76.97°W (Elev. 469 ft)
Last Update:
10:59 pm EDT Aug 20, 2025
Forecast Valid:
12am EDT Aug 21, 2025-6pm EDT Aug 27, 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