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

55°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 30.19 in (1022.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 Jul 3:56 am EDT
Extended Forecast for

Liberty NY

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Mostly Sunny
    then Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 100%.

    High: 74 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 54. Light and variable wind.
Sunday
Sunny, with a high near 82. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 58. Calm wind.
Monday
Showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 59. Chance of precipitation is 80%.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 100%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Liberty NY
 41.79°N 74.74°W (Elev. 1480 ft)
Last Update:
2:30 am EDT Jul 25, 2026
Forecast Valid:
4am EDT Jul 25, 2026-6pm EDT Jul 31, 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