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.

Partly Cloudy

70°F

21°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 3 Sep 9:56 pm EDT
Extended Forecast for

Big Indian NY

  • Tonight

    Tonight: Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. Northwest wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. North wind around 6 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 47. Light north wind.

    Low: 47 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Friday
Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. Northwest wind 3 to 5 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. North wind around 6 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 47. Light north wind.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 47.
Labor Day
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Indian NY
 42.07°N 74.47°W (Elev. 1837 ft)
Last Update:
8:36 pm EDT Sep 3, 2026
Forecast Valid:
10pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation