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

10°F

-12°C

Humidity 67%
Wind Speed W 6 mph
Barometer 30.03 in (1019.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 20 Jan 2:56 am EST
Extended Forecast for

Hartwood NY

  • Overnight

    Overnight: Mostly clear, with a low around 7. Wind chill values as low as -5. West wind around 11 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 15. Wind chill values as low as -7. West wind 10 to 13 mph, with gusts as high as 28 mph.

    High: 15 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 1. Wind chill values as low as -7. West wind 3 to 6 mph.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 25. Wind chill values as low as -7. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 25 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Southwest wind around 9 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 7. Wind chill values as low as -5. West wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 15. Wind chill values as low as -7. West wind 10 to 13 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 1. Wind chill values as low as -7. West wind 3 to 6 mph.
Wednesday
Increasing clouds, with a high near 25. Wind chill values as low as -7. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Southwest wind around 9 mph.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartwood NY
 41.52°N 74.67°W (Elev. 1201 ft)
Last Update:
12:25 am EST Jan 20, 2026
Forecast Valid:
3am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation