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

70°F

21°C

Humidity 49%
Wind Speed S 13 G 23 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Apr 1:56 pm EDT
Extended Forecast for

Swan Lake NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Southeast wind 11 to 13 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Increasing clouds, with a low around 37. Southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before noon. High near 48. Northwest wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers after 2am. Partly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 41. Northwest wind 8 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Southeast wind 11 to 13 mph.
Tonight
Showers likely, mainly after 4am. Increasing clouds, with a low around 37. Southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before noon. High near 48. Northwest wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of snow showers after 2am. Partly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 41. Northwest wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 49.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 66.
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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:
2:30 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 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