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

64°F

18°C

Humidity 60%
Wind Speed Calm
Barometer 30.21 in (1022.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jul 8:56 pm EDT
Extended Forecast for

2 Miles WSW Grant Mills NY

  • Tonight

    Tonight: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 77. Light and variable wind.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. Calm wind.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Grant Mills NY
 42.08°N 74.71°W (Elev. 1988 ft)
Last Update:
2:30 pm EDT Jul 23, 2026
Forecast Valid:
9pm EDT Jul 23, 2026-6pm EDT Jul 30, 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