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

73°F

23°C

Humidity 64%
Wind Speed W 8 mph
Barometer 29.91 in (1012.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 4 Sep 5:56 pm EDT
Extended Forecast for

Rock Hill NY

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 54. Northwest wind 3 to 7 mph.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 75. North wind 5 to 7 mph.

    High: 75 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 51. Light north wind.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 72 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Labor Day

    Labor Day: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 54. Northwest wind 3 to 7 mph.
Saturday
Increasing clouds, with a high near 75. North wind 5 to 7 mph.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 51. Light north wind.
Sunday
A slight chance of showers after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 48. Calm wind.
Labor Day
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Hill NY
 41.62°N 74.59°W (Elev. 1398 ft)
Last Update:
2:30 pm EDT Sep 4, 2026
Forecast Valid:
6pm EDT Sep 4, 2026-6pm EDT Sep 11, 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