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.

Overcast

69°F

21°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 29.91 in (1011.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Aug 3:56 am EDT
Extended Forecast for

3 Miles SSE Black Lake NY

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Northwest wind 3 to 6 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Light northwest wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Light northwest wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 80. Northwest wind 3 to 6 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Light northwest wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Light northwest wind.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Black Lake NY
 41.61°N 74.83°W (Elev. 1299 ft)
Last Update:
2:30 am EDT Aug 18, 2026
Forecast Valid:
4am EDT Aug 18, 2026-6pm EDT Aug 24, 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