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.

Overcast

41°F

5°C

Humidity 96%
Wind Speed SE 8 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 22 Apr 10:56 am EDT
Extended Forecast for

Grahamsville NY

  • Today

    Today: Cloudy, with a high near 49. Southeast wind around 6 mph.

    High: 49 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Sunny, with a high near 62. Light northwest wind increasing to 6 to 11 mph in the morning.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 59. Light northwest wind.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 8am. Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 49. Southeast wind around 6 mph.
Tonight
Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Thursday
Sunny, with a high near 62. Light northwest wind increasing to 6 to 11 mph in the morning.
Thursday Night
Increasing clouds, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 59. Light northwest wind.
Friday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 61.
Monday Night
A chance of showers. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
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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:
6:12 am EDT Apr 22, 2026
Forecast Valid:
11am EDT Apr 22, 2026-6pm EDT Apr 28, 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