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

75°F

24°C

Humidity 58%
Wind Speed W 3 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Jun 6:56 pm EDT
Extended Forecast for

Arkville NY

  • Tonight

    Tonight: A slight chance of showers before 8pm. Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Saturday

    Saturday: A chance of showers after 2pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 76. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: A slight chance of showers before 10pm. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 8pm. Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers after 2pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 76. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers before 10pm. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. Calm wind.
Sunday Night
Mostly clear, with a low around 57. Calm wind.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arkville NY
 42.16°N 74.63°W (Elev. 1401 ft)
Last Update:
6:38 pm EDT Jun 26, 2026
Forecast Valid:
7pm EDT Jun 26, 2026-6pm EDT Jul 3, 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