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.

Fog/Mist

51°F

11°C

Humidity 100%
Wind Speed E 8 mph
Barometer 30.22 in (1023.8 mb)
Dewpoint 51°F (11°C)
Visibility 5.00 mi
Wind Chill48°F (9°C)
Last update 24 May 8:56 pm EDT
Extended Forecast for

Glen Spey NY

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 5am. Low around 49. East wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Slight Chance
    Showers then
    Showers

  • Memorial Day

    Memorial Day: Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. High near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Light northwest wind.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 5am. Low around 49. East wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Showers and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and noon. High near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 51. Light northwest wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. Light west wind.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 69.
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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:
7:01 pm EDT May 24, 2026
Forecast Valid:
9pm EDT May 24, 2026-6pm EDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation