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

39°F

4°C

Humidity 53%
Wind Speed Calm
Barometer 30.17 in (1023.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Nov 11:56 am EST
Extended Forecast for

Rock Valley NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Southeast wind 3 to 5 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 34. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 40. Northwest wind around 7 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 43. Light and variable wind.
Tonight
Increasing clouds, with a low around 30. Southeast wind 3 to 5 mph.
Friday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers. Cloudy, with a low around 34. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 40. Northwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
A chance of showers. Cloudy, with a high near 43. Chance of precipitation is 40%.
Tuesday Night
Showers likely. Cloudy, with a low around 37. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rock Valley NY
 41.9°N 75.07°W (Elev. 1821 ft)
Last Update:
11:27 am EST Nov 20, 2025
Forecast Valid:
12pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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