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

58°F

14°C

Humidity 90%
Wind Speed N 3 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Aug 9:56 pm EDT
Extended Forecast for

Jeffersonville NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly between 8pm and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers. Patchy fog before 9am. Otherwise, cloudy through mid morning, then becoming mostly sunny, with a high near 78. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. Calm wind.
Sunday
Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
A chance of showers, mainly between 8pm and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers. Patchy fog before 9am. Otherwise, cloudy through mid morning, then becoming mostly sunny, with a high near 78. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jeffersonville NY
 41.77°N 74.92°W (Elev. 1247 ft)
Last Update:
7:04 pm EDT Aug 29, 2026
Forecast Valid:
10pm EDT Aug 29, 2026-6pm EDT Sep 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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