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

60°F

16°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Sep 8:56 pm EDT
Extended Forecast for

Rock Hill NY

  • Tonight

    Tonight: Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 50. Light north wind.

    Low: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. Northeast wind 5 to 8 mph.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 57. Northeast wind around 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Northeast wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 50. Light north wind.
Monday
Partly sunny, with a high near 65. Northeast wind 5 to 8 mph.
Monday Night
A chance of showers after 2am. Cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57. Northeast wind around 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 42. Northeast wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly 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:
7:07 pm EDT Sep 20, 2026
Forecast Valid:
9pm EDT Sep 20, 2026-6pm EDT Sep 27, 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