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

61°F

16°C

Humidity 97%
Wind Speed W 5 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 27 Jun 10:56 pm EDT
Extended Forecast for

5 Miles ENE Sundown NY

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 55. Calm wind.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 78. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 82. Light and variable wind.
Monday Night
Partly cloudy, with a low around 59. Calm wind.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Sunny and hot, with a high near 91.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny and hot, with a high near 90.
Friday Night
Partly cloudy, with a low around 62.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Sundown NY
 41.93°N 74.38°W (Elev. 1535 ft)
Last Update:
8:36 pm EDT Jun 27, 2026
Forecast Valid:
11pm EDT Jun 27, 2026-6pm EDT Jul 4, 2026
 
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