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

62°F

17°C

Humidity 86%
Wind Speed W 5 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 8:56 pm EDT
Extended Forecast for

Acidalia NY

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light north wind.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Calm wind becoming southeast around 5 mph after midnight.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 77. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 60. Light south wind. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Friday

    Friday: A chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Light north wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 77. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 59. Calm wind becoming southeast around 5 mph after midnight.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 77. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 60. Light south wind. Chance of precipitation is 80%.
Friday
A chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Acidalia NY
 41.89°N 75.04°W (Elev. 1585 ft)
Last Update:
7:01 pm EDT Aug 25, 2026
Forecast Valid:
9pm EDT Aug 25, 2026-6pm EDT Sep 1, 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