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.

A Few Clouds

48°F

9°C

Humidity 86%
Wind Speed E 3 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 4 Oct 7:56 am EDT
Extended Forecast for

Kiamesha Lake NY

  • Today

    Today: A chance of showers after 2pm. Mostly cloudy, with a high near 58. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 60 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Northwest wind 7 to 9 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 57. Northwest wind 6 to 9 mph.

    High: 57 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 3am. Otherwise, clear, with a low around 37.

    Low: 37 °F

    Clear then
    Areas Frost

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of showers after 2pm. Mostly cloudy, with a high near 58. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 47. Light and variable wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 37. Northwest wind 7 to 9 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 57. Northwest wind 6 to 9 mph.
Tuesday Night
Areas of frost after 3am. Otherwise, clear, with a low around 37.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 63.
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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:
2:30 am EDT Oct 4, 2026
Forecast Valid:
8am EDT Oct 4, 2026-6pm EDT Oct 10, 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