Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

67°F

19°C

Humidity 31%
Wind Speed SE 12 mph
Barometer 30.20 in (1023.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 27 Apr 5:56 pm EDT
Extended Forecast for

Mongaup Valley NY

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 62. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Light south wind.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly cloudy, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 8pm.  Low around 42. Southeast wind 3 to 6 mph.  Chance of precipitation is 100%.

    Low: 42 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm.  Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Calm wind.
Tuesday
Increasing clouds, with a high near 62. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 44. Light south wind.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 61. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers, mainly after 8pm. Low around 42. Southeast wind 3 to 6 mph. Chance of precipitation is 100%.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
4:51 pm EDT Apr 27, 2026
6pm EDT Apr 27, 2026-6pm EDT May 4, 2026
 
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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