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 90%
Wind Speed N 3 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 27 Jun 6:56 am EDT
Extended Forecast for

Arkville NY

  • Today

    Today: Partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers after 3pm. Mostly sunny, with a high near 82. Calm wind. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    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 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Partly sunny, with a high near 79. Calm wind.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Sunday
Isolated showers after 3pm. Mostly sunny, with a high near 82. Calm wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 54. Calm wind.
Monday
Sunny, with a high near 84. Calm wind.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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 68. Chance of precipitation is 30%.
Wednesday
Mostly sunny and hot, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny and hot, with a high near 93.
Thursday Night
Mostly clear, with a low around 70.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arkville NY
 42.16°N 74.63°W (Elev. 1401 ft)
Last Update:
6:28 am EDT Jun 27, 2026
Forecast Valid:
7am EDT Jun 27, 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