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

42°F

6°C

Humidity 73%
Wind Speed E 3 mph
Barometer 30.25 in (1025.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 2 Nov 10:56 pm EST
Extended Forecast for

Swan Lake NY

  • Tonight

    Tonight: Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog

  • Monday

    Monday: A slight chance of showers after 4pm. Increasing clouds, with a high near 56. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Cloudy during the early evening, then clearing, with a low around 37. West wind 11 to 15 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. West wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. West wind 5 to 7 mph becoming calm after midnight.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Partly sunny, with a high near 55. Chance of precipitation is 20%.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Monday
A slight chance of showers after 4pm. Increasing clouds, with a high near 56. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Cloudy during the early evening, then clearing, with a low around 37. West wind 11 to 15 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 52. West wind 11 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 32. West wind 5 to 7 mph becoming calm after midnight.
Wednesday
A slight chance of rain after 1pm. Partly sunny, with a high near 55. Chance of precipitation is 20%.
Wednesday Night
Rain likely before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 52.
Friday Night
Rain. Low around 41. Chance of precipitation is 80%.
Saturday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
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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:
11:35 pm EST Nov 2, 2025
Forecast Valid:
11pm EST Nov 2, 2025-6pm EST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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