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

47°F

8°C

Humidity 80%
Wind Speed N 3 mph
Barometer 30.04 in (1017.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Oct 10:56 pm EDT
Extended Forecast for

5 Miles NNE Sundown NY

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 65. South wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 65 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 44. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 57. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 57 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Partly cloudy, with a low around 35. West wind 13 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Partly sunny, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Southwest wind around 7 mph.
Sunday
Increasing clouds, with a high near 65. South wind 8 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Showers, mainly after 2am. Low around 44. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 57. South wind around 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
A chance of showers before 2am. Partly cloudy, with a low around 35. West wind 13 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 8am. Partly sunny, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Sundown NY
 41.96°N 74.44°W (Elev. 2451 ft)
Last Update:
7:52 pm EDT Oct 18, 2025
Forecast Valid:
11pm EDT Oct 18, 2025-6pm EDT Oct 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation