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

38°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.09 in (1019.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Oct 11:56 pm EDT
Extended Forecast for

Harris NY

  • Overnight

    Overnight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 64 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Light west wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. Calm wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 64. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 68. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 40. Light west wind.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harris NY
 41.7°N 74.72°W (Elev. 1401 ft)
Last Update:
10:13 pm EDT Oct 6, 2026
Forecast Valid:
12am EDT Oct 7, 2026-6pm EDT Oct 13, 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