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.

Overcast

62°F

17°C

Humidity 44%
Wind Speed W 8 G 17 mph
Barometer 30.04 in (1017.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 30 Mar 5:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 1pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 70. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 60. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. West wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. West wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms likely before 1pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 70. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 60. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. West wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Light and variable wind. Chance of precipitation is 50%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
A chance of rain after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A chance of rain. Partly sunny, with a high near 53. 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:
3:23 pm EDT Mar 30, 2026
Forecast Valid:
6pm EDT Mar 30, 2026-6pm EDT Apr 6, 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