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

66°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 29.96 in (1014.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 8:56 am EDT
Extended Forecast for

Jeffersonville NY

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 57. Light northwest wind.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 52. Calm wind.

    Low: 52 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 57. Light northwest wind.
Thursday
A chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 52. Calm wind.
Friday
Sunny, with a high near 80. Light and variable wind.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jeffersonville NY
 41.77°N 74.92°W (Elev. 1247 ft)
Last Update:
6:07 am EDT Aug 19, 2026
Forecast Valid:
9am EDT Aug 19, 2026-6pm EDT Aug 25, 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