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.

Fair

51°F

11°C

Humidity 61%
Wind Speed Calm
Barometer 30.05 in (1018.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 9:56 am EDT
Extended Forecast for

3 Miles W Mount Tremper NY

  • Today

    Today: Partly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 71. Light east wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 71 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 5am. Some of the storms could produce heavy rainfall. Low around 50. Southeast wind 7 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 50 °F

    Showers
    Likely then
    Heavy Rain

  • Monday

    Monday: Showers and possibly a thunderstorm before 8am, then showers likely. Some of the storms could produce heavy rainfall. High near 64. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    High: 64 °F

    Heavy Rain

  • Monday Night

    Monday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 2pm. Partly sunny, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 66. Calm wind.
Tonight
Mostly clear, with a low around 43. Calm wind.
Sunday
Increasing clouds, with a high near 71. Light east wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Showers, with thunderstorms also possible after 5am. Some of the storms could produce heavy rainfall. Low around 50. Southeast wind 7 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and possibly a thunderstorm before 8am, then showers likely. Some of the storms could produce heavy rainfall. High near 64. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Mount Tremper NY
 42.05°N 74.3°W (Elev. 801 ft)
Last Update:
7:52 am EDT Oct 18, 2025
Forecast Valid:
10am EDT Oct 18, 2025-6pm EDT Oct 24, 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