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

77°F

25°C

Humidity 47%
Wind Speed SE 8 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Jul 2:56 pm EDT
Extended Forecast for

Black Lake NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South wind around 6 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 75. Chance of precipitation is 90%.

    High: 75 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South wind around 6 mph.
Tonight
Mostly clear, with a low around 53. Light and variable wind.
Sunday
Sunny, with a high near 81. Light and variable wind.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 59. Chance of precipitation is 80%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 75. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 59. Chance of precipitation is 80%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 57. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Black Lake NY
 41.65°N 74.85°W (Elev. 1260 ft)
Last Update:
2:30 pm EDT Jul 25, 2026
Forecast Valid:
3pm EDT Jul 25, 2026-6pm EDT Jul 31, 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