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

58°F

14°C

Humidity 70%
Wind Speed SE 15 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Apr 8:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. South wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 1pm. High near 51. Northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. West wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. Northwest wind 6 to 8 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 38. South wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 1pm. High near 51. Northwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 29. West wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 43. Northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 51.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grahamsville NY
 41.84°N 74.55°W (Elev. 1115 ft)
Last Update:
2:30 pm EDT Apr 18, 2026
Forecast Valid:
8pm EDT Apr 18, 2026-6pm EDT Apr 25, 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