Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

27°F

-3°C

Humidity 58%
Wind Speed NW 8 mph
Barometer 30.44 in (1032.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Mar 9:56 pm EDT
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 6 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 45. Southwest wind 6 to 13 mph.

    High: 45 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South wind around 9 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 46. Southwest wind around 8 mph.  Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 2pm.  Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow.  Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. West wind 6 to 8 mph.
Sunday
Increasing clouds, with a high near 45. Southwest wind 6 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 34. South wind around 9 mph.
Monday
Partly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Southwest wind around 8 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Thursday Night
Rain, snow, and freezing rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
Rain, snow, and freezing rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Friday Night
Rain or freezing rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
3:22 pm EDT Mar 28, 2026
10pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database