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

36°F

2°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 30.09 in (1019.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Oct 12:56 am EDT
Extended Forecast for

3 Miles SW Lake Delaware NY

  • Overnight

    Overnight: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 8 mph.

    High: 61 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. South wind 6 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 61. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. West wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 33. Calm wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61. Southwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 48. South wind 6 to 8 mph.
Thursday
A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 61. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 40. West wind around 5 mph.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lake Delaware NY
 42.21°N 74.89°W (Elev. 2274 ft)
Last Update:
1:10 am EDT Oct 7, 2026
Forecast Valid:
1am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation