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

29°F

-2°C

Humidity 56%
Wind Speed NW 15 G 23 mph
Barometer 30.35 in (1029.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 7 Apr 6:56 pm EDT
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: Mostly clear, with a low around 16. North wind 8 to 15 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. North wind around 6 mph becoming calm.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 25. South wind around 8 mph.

    Low: 25 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 51. South wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. South wind 7 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.

    High: 63 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 16. North wind 8 to 15 mph.
Wednesday
Sunny, with a high near 47. North wind around 6 mph becoming calm.
Wednesday Night
Clear, with a low around 25. South wind around 8 mph.
Thursday
Sunny, with a high near 51. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 33. South wind 7 to 10 mph.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Clear, with a low around 30.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 69.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
Last Update:
6:48 pm EDT Apr 7, 2026
Forecast Valid:
7pm EDT Apr 7, 2026-6pm EDT Apr 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