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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Rain Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed Vrbl 7 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 52°F (11°C)
Visibility 3.00 mi
Wind Chill50°F (10°C)
Last update 16 Oct 5:56 am EDT
Extended Forecast for

Upper Mongaup NY

  • Today

    Today: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 71. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 38. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind around 11 mph, with gusts as high as 23 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Widespread frost after midnight. Otherwise, clear, with a low around 27. Northwest wind 3 to 6 mph.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 71. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 38. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind around 11 mph, with gusts as high as 23 mph.
Saturday Night
Widespread frost after midnight. Otherwise, clear, with a low around 27. Northwest wind 3 to 6 mph.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Light and variable wind.
Sunday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 32.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.77°W (Elev. 1201 ft)
Last Update:
2:30 am EDT Oct 16, 2026
Forecast Valid:
6am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation