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 70%
Wind Speed Calm
Barometer 30.01 in (1016.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Mar 9:56 pm EDT
Extended Forecast for

Swan Lake NY

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers after noon. Partly sunny, with a high near 67. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 33. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers

  • Thursday

    Thursday: A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 46. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 5 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow showers after 2pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Calm wind.
Wednesday
A slight chance of showers before 8am, then a chance of showers after noon. Partly sunny, with a high near 67. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. Low around 33. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 46. Northwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 23. West wind 5 to 10 mph.
Friday
A chance of rain and snow showers after 2pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of rain before 8am, then a chance of rain and snow between 8am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Sunday Night
Rain. Low around 38. Chance of precipitation is 80%.
Monday
Rain and snow. High near 54. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 27.
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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:
2:12 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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