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

58°F

14°C

Humidity 39%
Wind Speed S 14 G 22 mph
Barometer 30.28 in (1026.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 Apr 5:56 pm EDT
Extended Forecast for

Swan Lake NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind 5 to 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly between 10am and 5pm. Mostly cloudy, with a high near 69. South wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. West wind 5 to 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. South wind 5 to 10 mph.
Monday
A chance of showers, mainly between 10am and 5pm. Mostly cloudy, with a high near 69. South wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 54. West wind 5 to 9 mph.
Tuesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
Mostly cloudy, with a high near 79.
Thursday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.76°N 74.8°W (Elev. 1404 ft)
Last Update:
5:00 pm EDT Apr 12, 2026
Forecast Valid:
6pm EDT Apr 12, 2026-6pm EDT Apr 19, 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