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

21°F

-6°C

Humidity 81%
Wind Speed SW 3 mph
Barometer 30.46 in (1033.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 3:56 am EDT
Extended Forecast for

Grahamsville NY

  • Today

    Today: Mostly sunny, with a high near 51. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Light and variable wind becoming west around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. West wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 68. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 51. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 35. Light and variable wind becoming west around 5 mph after midnight.
Monday
Partly sunny, with a high near 59. West wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 68. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Thursday Night
Rain showers likely before 2am, then rain or freezing rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
Rain or freezing rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grahamsville NY
 41.84°N 74.55°W (Elev. 1115 ft)
Last Update:
2:30 am EDT Mar 29, 2026
Forecast Valid:
4am EDT Mar 29, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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