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.

A Few Clouds

61°F

16°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 6:56 am EDT
Extended Forecast for

Glen Spey NY

  • Today

    Today: Sunny, with a high near 74. North wind 6 to 9 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Southeast wind 3 to 5 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 51. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 6 mph. Chance of precipitation is 100%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 74. North wind 6 to 9 mph.
Tonight
Partly cloudy, with a low around 46. North wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 66. Southeast wind 3 to 5 mph.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 51. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 6 mph. Chance of precipitation is 100%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Spey NY
 41.49°N 74.8°W (Elev. 1411 ft)
Last Update:
2:30 am EDT Sep 18, 2026
Forecast Valid:
7am EDT Sep 18, 2026-6pm EDT Sep 24, 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