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 W 6 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 May 5:56 am EDT
Extended Forecast for

Halcottsville NY

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 58. Calm wind.
Monday
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. Calm wind.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 43. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Halcottsville NY
 42.22°N 74.59°W (Elev. 1552 ft)
Last Update:
2:30 am EDT May 17, 2026
Forecast Valid:
6am EDT May 17, 2026-6pm EDT May 23, 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