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.

Overcast

67°F

19°C

Humidity 73%
Wind Speed NW 10 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Jun 11:56 am EDT
Extended Forecast for

2 Miles SW Swan Lake NY

  • This Afternoon

    This Afternoon: A slight chance of showers before 2pm. Cloudy, with a high near 72. North wind around 7 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northwest wind 5 to 7 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 6 to 8 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 8am. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm. Cloudy, with a high near 72. North wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 76. Northwest wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 52. Light north wind.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Saturday
Showers likely, mainly before 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Swan Lake NY
 41.74°N 74.81°W (Elev. 1339 ft)
Last Update:
12:30 pm EDT Jun 23, 2026
Forecast Valid:
12pm EDT Jun 23, 2026-6pm EDT Jun 29, 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