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

39°F

4°C

Humidity 86%
Wind Speed SE 5 mph
Barometer 30.26 in (1025.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 4 Mar 10:56 am EST
Extended Forecast for

Swan Lake NY

  • Today

    Today: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: A chance of rain after 4am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 31. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly after 1pm. Areas of fog before 7am. High near 43. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Thursday Night

    Thursday Night: Rain. Low around 33. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 33 °F

    Rain

  • Friday

    Friday: A slight chance of rain before 1pm. Mostly cloudy, with a high near 38. Southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A slight chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Rain likely before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 49. Calm wind.
Tonight
A chance of rain after 4am. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 31. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly after 1pm. Areas of fog before 7am. High near 43. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 33. East wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 38. Southeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Saturday Night
Rain likely before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.76°N 74.8°W (Elev. 1404 ft)
Last Update:
11:27 am EST Mar 4, 2026
Forecast Valid:
11am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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