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

50°F

10°C

Humidity 93%
Wind Speed Calm
Barometer 29.84 in (1010.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 12:56 am EDT
Extended Forecast for

Swan Lake NY

  • Overnight

    Overnight: Mostly clear, with a low around 48. Light southwest wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. West wind around 5 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Light southwest wind.
Thursday
Sunny, with a high near 64. West wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 43. West wind around 5 mph.
Friday
Sunny, with a high near 61. West wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
Showers, mainly after 8pm. Low around 52. Chance of precipitation is 90%.
Columbus Day
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.78°N 74.77°W (Elev. 1722 ft)
Last Update:
12:49 am EDT Oct 8, 2026
Forecast Valid:
1am EDT Oct 8, 2026-6pm EDT Oct 14, 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