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

71°F

22°C

Humidity 57%
Wind Speed NW 8 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 6:56 pm EDT
Extended Forecast for

Kiamesha Lake NY

  • Tonight

    Tonight: Clear, with a low around 48. Northwest wind 3 to 6 mph.

    Low: 48 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 61. Light west wind. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 48. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 53. Calm wind.
Sunday
Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 61. Light west wind. Chance of precipitation is 20%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kiamesha Lake NY
 41.67°N 74.64°W (Elev. 1342 ft)
Last Update:
6:54 pm EDT Aug 28, 2026
Forecast Valid:
7pm EDT Aug 28, 2026-6pm EDT Sep 4, 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