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

50°F

10°C

Humidity 38%
Wind Speed NW 15 G 22 mph
Barometer 30.00 in (1016.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Oct 11:56 am EDT
Extended Forecast for

Upper Mongaup NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. North wind around 10 mph, with gusts as high as 23 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 33. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59. Northwest wind around 6 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Light northwest wind.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 56. North wind around 10 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 33. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 59. Northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 34. Light northwest wind.
Saturday
Mostly sunny, with a high near 64. Calm wind.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.77°W (Elev. 1201 ft)
Last Update:
4:58 am EDT Oct 16, 2025
Forecast Valid:
12pm EDT Oct 16, 2025-6pm EDT Oct 22, 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