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.

Light Rain

54°F

12°C

Humidity 97%
Wind Speed SE 8 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 20 Sep 7:56 am EDT
Extended Forecast for

3 Miles SSW Lake Delaware NY

  • Today

    Today: Showers, mainly before 5pm. High near 59. South wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers before 8pm. Cloudy, with a low around 46. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Northeast wind around 6 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. East wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. East wind around 6 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Showers, mainly before 5pm. High near 59. South wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of showers before 8pm. Cloudy, with a low around 46. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 60. Northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 41. East wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 56. East wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Lake Delaware NY
 42.2°N 74.86°W (Elev. 2244 ft)
Last Update:
2:30 am EDT Sep 20, 2026
Forecast Valid:
8am EDT Sep 20, 2026-6pm EDT Sep 26, 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