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.

Overcast

49°F

9°C

Humidity 77%
Wind Speed NW 10 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 Oct 12:56 am EDT
Extended Forecast for

Monticello NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Northwest wind around 14 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 46. North wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 46 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost after midnight. Otherwise, clear, with a low around 26. Northwest wind 5 to 7 mph.

    Low: 26 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Northwest wind around 14 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 46. North wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Widespread frost after midnight. Otherwise, clear, with a low around 26. Northwest wind 5 to 7 mph.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Light and variable wind.
Sunday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Calm wind.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.65°N 74.67°W (Elev. 1414 ft)
Last Update:
1:10 am EDT Oct 17, 2026
Forecast Valid:
1am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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