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

59°F

15°C

Humidity 78%
Wind Speed NW 8 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 9:56 pm EDT
Extended Forecast for

Monticello NY

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 3 to 5 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am. Increasing clouds, with a low around 50. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, mainly after 7am. The rain could be heavy at times. High near 60. Southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 60 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. The rain could be heavy at times. Patchy fog before 10pm, then patchy fog after 11pm. Low around 51. North wind around 5 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Heavy Rain
    and Patchy
    Fog then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Northeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 65. East wind 3 to 5 mph.
Saturday Night
Showers likely, mainly after 4am. Increasing clouds, with a low around 50. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 7am. The rain could be heavy at times. High near 60. Southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Showers, mainly before 8pm. The rain could be heavy at times. Patchy fog before 10pm, then patchy fog after 11pm. Low around 51. North wind around 5 mph. Chance of precipitation is 80%.
Monday
A slight chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 20%.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.66°N 74.7°W (Elev. 1545 ft)
Last Update:
7:02 pm EDT Sep 18, 2026
Forecast Valid:
10pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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