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

75°F

24°C

Humidity 55%
Wind Speed NW 6 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Aug 6:56 pm EDT
Extended Forecast for

4 Miles SW Lake Delaware NY

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 53. Calm wind.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 58. Chance of precipitation is 80%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Lake Delaware NY
 42.2°N 74.86°W (Elev. 2244 ft)
Last Update:
3:00 pm EDT Aug 13, 2026
Forecast Valid:
7pm EDT Aug 13, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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