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

54°F

12°C

Humidity 51%
Wind Speed SE 3 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 26 Apr 7:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.

    High: 67 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 65. Calm wind becoming south 5 to 7 mph in the morning.

    High: 65 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 43. Light south wind. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 8pm. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 50%.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Calm wind.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Increasing clouds, with a high near 65. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 43. Light south wind. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Wednesday Night
Showers, mainly after 8pm. Low around 44. Chance of precipitation is 90%.
Thursday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 56.
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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:
6:54 pm EDT Apr 26, 2026
Forecast Valid:
7pm EDT Apr 26, 2026-6pm EDT May 3, 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