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 84%
Wind Speed Calm
Barometer 29.91 in (1012.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 8:56 pm EDT
Extended Forecast for

4 Miles NNE Sundown NY

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind around 6 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 1pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 68. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West wind 5 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 69. West wind around 8 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northwest wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 49. West wind around 6 mph.
Monday
A slight chance of showers before 1pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 68. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 50. West wind 5 to 7 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 69. West wind around 8 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 51. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Chance of precipitation is 80%.
Friday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Sundown NY
 41.93°N 74.41°W (Elev. 2274 ft)
Last Update:
8:36 pm EDT Aug 23, 2026
Forecast Valid:
9pm EDT Aug 23, 2026-6pm EDT Aug 30, 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