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

63°F

17°C

Humidity 87%
Wind Speed W 5 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Aug 10:56 pm EDT
Extended Forecast for

3 Miles SSE Colchester NY

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 52. Calm wind.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. Calm wind.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 73. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 60. Chance of precipitation is 80%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Colchester NY
 42.14°N 75.05°W (Elev. 1988 ft)
Last Update:
7:34 pm EDT Aug 13, 2026
Forecast Valid:
11pm EDT Aug 13, 2026-6pm EDT Aug 20, 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