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

76°F

24°C

Humidity 79%
Wind Speed W 3 mph
Barometer 29.95 in (1013.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 3 Sep 6:56 pm EDT
Extended Forecast for

Downsville NY

  • Tonight

    Tonight: Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers between 10am and 11am. Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind becoming north around 6 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Friday
A slight chance of showers between 10am and 11am. Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53. Calm wind.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming north around 6 mph in the morning.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 49. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 47.
Labor Day
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downsville NY
 42.09°N 75°W (Elev. 1299 ft)
Last Update:
2:30 pm EDT Sep 3, 2026
Forecast Valid:
7pm EDT Sep 3, 2026-6pm EDT Sep 10, 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