National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

78°F

26°C

Humidity 52%
Wind Speed Calm
Barometer 29.89 in (1011.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Apr 6:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82. Southwest wind 3 to 8 mph.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Light west wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers after 8am. Partly sunny, with a high near 72. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82. Southwest wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Light west wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 8am. Partly sunny, with a high near 72. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 52. Calm wind.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 54.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 61.
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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:
3:13 pm EDT Apr 15, 2026
Forecast Valid:
7pm EDT Apr 15, 2026-6pm EDT Apr 22, 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