National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fog/Mist

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1015.9 mb)
Dewpoint 56°F (13°C)
Visibility 2.00 mi
Last update 28 Jun 3:56 am EDT
Extended Forecast for

Colchester NY

  • Today

    Today: A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 77. Calm wind. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph after midnight.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 77. Calm wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 82. Calm wind.
Monday Night
Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 67.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colchester NY
 42.14°N 75.08°W (Elev. 2149 ft)
Last Update:
2:30 am EDT Jun 28, 2026
Forecast Valid:
4am EDT Jun 28, 2026-6pm EDT Jul 4, 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