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.

Fog

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in (1020.2 mb)
Dewpoint 42°F (6°C)
Visibility 0.25 mi
Last update 16 May 6:56 am EDT
Extended Forecast for

Apex NY

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 55. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 3 to 7 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. South wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 55. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 52. Calm wind.
Monday
Sunny, with a high near 83. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 46. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Apex NY
 42.07°N 75.24°W (Elev. 1499 ft)
Last Update:
6:23 am EDT May 16, 2026
Forecast Valid:
7am EDT May 16, 2026-6pm EDT May 22, 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