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

68°F

20°C

Humidity 65%
Wind Speed NW 8 mph
Barometer 30.29 in (1025.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 8 Sep 9:56 am EDT
Extended Forecast for

Kiamesha Lake NY

  • Today

    Today: Mostly sunny, with a high near 76. Northwest wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely after 2am. Mostly cloudy, with a low around 65. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 8am. Partly sunny, with a high near 77. West wind around 9 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Northwest wind around 6 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Showers likely after 2am. Mostly cloudy, with a low around 65. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 8am. Partly sunny, with a high near 77. West wind around 9 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kiamesha Lake NY
 41.68°N 74.67°W (Elev. 1401 ft)
Last Update:
6:10 am EDT Sep 8, 2026
Forecast Valid:
10am EDT Sep 8, 2026-6pm EDT Sep 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