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

60°F

16°C

Humidity 75%
Wind Speed W 14 mph
Barometer 29.71 in (1005.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 6:56 am EDT
Extended Forecast for

Highland Lake NY

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Northwest wind 3 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. West wind 5 to 8 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 77. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 55. West wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 75. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 53. Northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 77. West wind 5 to 8 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Highland Lake NY
 41.52°N 74.85°W (Elev. 1339 ft)
Last Update:
2:30 am EDT Jun 19, 2026
Forecast Valid:
8am EDT Jun 19, 2026-6pm EDT Jun 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