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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 29.87 in (1011.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 10:56 pm EDT
Extended Forecast for

Kiamesha Lake NY

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. West wind around 5 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers after 8am. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 66. West wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 43. West wind around 5 mph.
Friday
Sunny, with a high near 62. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Showers after 8am. High near 63. Chance of precipitation is 90%.
Sunday Night
Showers, mainly before 2am. Low around 53. Chance of precipitation is 80%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kiamesha Lake NY
 41.7°N 74.67°W (Elev. 1499 ft)
Last Update:
2:30 pm EDT Oct 7, 2026
Forecast Valid:
11pm EDT Oct 7, 2026-6pm EDT Oct 14, 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