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.

Mostly Cloudy

34°F

1°C

Humidity 64%
Wind Speed NW 17 mph
Barometer 30.23 in (1025.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 20 Apr 6:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: Isolated snow showers before 9pm. Mostly cloudy, then gradually becoming clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 22 °F

    Isolated Snow
    Showers then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then a slight chance of rain showers. Mostly cloudy, with a high near 55. Light south wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 55 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Isolated snow showers before 9pm. Mostly cloudy, then gradually becoming clear, with a low around 22. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 8am, then a slight chance of rain showers. Mostly cloudy, with a high near 55. Light south wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 39. Calm wind.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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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:
6:45 pm EDT Apr 20, 2026
Forecast Valid:
7pm EDT Apr 20, 2026-6pm EDT Apr 27, 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