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

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.22 in (1022.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Jul 12:56 am EDT
Extended Forecast for

Halcottsville NY

  • Overnight

    Overnight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 7am. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

Detailed Forecast

Overnight
Clear, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 81. Calm wind.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 7am. High near 77. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 58. Chance of precipitation is 80%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Halcottsville NY
 42.22°N 74.59°W (Elev. 1552 ft)
Last Update:
12:34 am EDT Jul 25, 2026
Forecast Valid:
1am EDT Jul 25, 2026-6pm EDT Jul 31, 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