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

57°F

14°C

Humidity 58%
Wind Speed N 5 mph
Barometer 30.26 in (1025.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 May 7:56 pm EDT
Extended Forecast for

Glen Spey NY

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 65. East wind around 8 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Cloudy, with a low around 42. East wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 52. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 40. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 45. Light and variable wind.
Friday
Partly sunny, with a high near 65. East wind around 8 mph.
Friday Night
A chance of showers after 2am. Cloudy, with a low around 42. East wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Showers, mainly after 8am. High near 52. East wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 40. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Sunday
Showers, mainly before 2pm. High near 58. Chance of precipitation is 80%.
Sunday Night
A chance of showers after 2am. Cloudy, with a low around 48. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Spey NY
 41.49°N 74.82°W (Elev. 1329 ft)
Last Update:
7:03 pm EDT May 21, 2026
Forecast Valid:
9pm EDT May 21, 2026-6pm EDT May 28, 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