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.

Partly Cloudy

74°F

23°C

Humidity 41%
Wind Speed NW 20 G 28 mph
Barometer 29.82 in (1009.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 1:56 pm EDT
Extended Forecast for

Colchester NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. Northwest wind around 10 mph, with gusts as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light north wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%.

    High: 69 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Tuesday

    Tuesday: Showers likely before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Northwest wind around 10 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 50. Light north wind.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 51. Calm wind.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 55. Chance of precipitation is 90%.
Tuesday
Showers likely before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Colchester NY
 42.16°N 75.08°W (Elev. 1424 ft)
Last Update:
2:44 pm EDT Jun 20, 2026
Forecast Valid:
2pm EDT Jun 20, 2026-6pm EDT Jun 26, 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