Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Partly Cloudy
73°F
23°C
| Humidity | 46% |
| Wind Speed | W 12 mph |
| Barometer | 29.92 in (1012.8 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 11:56 am EDT |
Extended Forecast for
5 Miles NNW Sundown NY
This Afternoon

High: 73 °F
Slight Chance
T-stormsTonight

Low: 49 °F
Partly Cloudy
Monday

High: 65 °F
Showers
Monday Night

Low: 52 °F
Showers
Tuesday

High: 73 °F
Chance
ShowersTuesday Night

Low: 49 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 51 °F
Mostly Clear
Thursday
High: 77 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms before 3pm. Mostly sunny, with a high near 73. Northwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 49. Light north wind.
Monday
Showers and possibly a thunderstorm before 4pm, then showers between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 65. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 52. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 73. North wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles NNW Sundown NY
41.94°N 74.5°W (Elev. 2001 ft)
41.94°N 74.5°W (Elev. 2001 ft)
8:36 am EDT Jun 21, 2026
12pm EDT Jun 21, 2026-6pm EDT Jun 27, 2026


