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

72°F

22°C

Humidity 46%
Wind Speed NW 7 mph
Barometer 30.03 in (1016.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 11 Sep 5:56 pm EDT
Extended Forecast for

Grahamsville NY

  • Tonight

    Tonight: Clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.

    High: 75 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 8am. High near 78. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers after 8pm. Partly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 8am. High near 78. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of showers after 8pm. Partly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grahamsville NY
 41.84°N 74.55°W (Elev. 1115 ft)
Last Update:
2:30 pm EDT Sep 11, 2026
Forecast Valid:
6pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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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