National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Partly Cloudy

62°F

17°C

Humidity 75%
Wind Speed NW 17 G 25 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Oct 7:56 pm EDT
Extended Forecast for

Thompsonville NY

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Northwest wind 6 to 10 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. Calm wind becoming east around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after midnight. Low around 44. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 69. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 36. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Northwest wind 6 to 10 mph.
Thursday
Sunny, with a high near 61. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Showers, mainly after midnight. Low around 44. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 69. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 36. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thompsonville NY
 41.67°N 74.61°W (Elev. 1247 ft)
Last Update:
2:30 pm EDT Oct 14, 2026
Forecast Valid:
8pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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