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

23°F

-5°C

Humidity 74%
Wind Speed W 5 mph
Barometer 30.47 in (1033.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 29 Mar 1:56 am EDT
Extended Forecast for

Apex NY

  • Overnight

    Overnight: Partly cloudy, with a low around 21. West wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Southwest wind 6 to 11 mph.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. South wind around 9 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. Southwest wind 9 to 13 mph.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. South wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. West wind around 6 mph.
Sunday
Partly sunny, with a high near 48. Southwest wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 36. South wind around 9 mph.
Monday
Partly sunny, with a high near 55. Southwest wind 9 to 13 mph.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. South wind 7 to 9 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Thursday Night
Rain or freezing rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
Rain or freezing rain. High near 49. Chance of precipitation is 80%.
Friday Night
Showers likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Apex NY
 42.07°N 75.27°W (Elev. 1991 ft)
Last Update:
2:30 am EDT Mar 29, 2026
Forecast Valid:
2am EDT Mar 29, 2026-6pm EDT Apr 4, 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