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.

Light Rain Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in (1019.3 mb)
Dewpoint 52°F (11°C)
Visibility 4.00 mi
Last update 25 May 5:51 am EDT
Extended Forecast for

3 Miles ESE Sundown NY

  • Memorial Day

    Memorial Day: Showers, mainly before 10am. High near 70. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 55. West wind around 6 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 78. West wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
Showers, mainly before 10am. High near 70. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 55. West wind around 6 mph.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 78. West wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Sundown NY
 41.89°N 74.39°W (Elev. 1900 ft)
Last Update:
2:36 am EDT May 25, 2026
Forecast Valid:
6am EDT May 25, 2026-6pm EDT May 31, 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