Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fog/Mist

16°F

-9°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.02 in (1018.8 mb)
Dewpoint 15°F (-9°C)
Visibility 5.00 mi
Wind Chill8°F (-13°C)
Last update 15 Feb 6:56 am EST
Extended Forecast for

Upper Mongaup NY

  • Today

    Today: Patchy fog before 9am. Patchy freezing fog before 9am.  Otherwise, increasing clouds, with a high near 35. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 35 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow showers, mainly before 2am.  Cloudy, with a low around 23. Light east wind.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of snow showers between 1am and 4am, then a slight chance of freezing rain after 4am.  Mostly cloudy, with a low around 28. Calm wind.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Calm wind becoming west around 5 mph.

    High: 45 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 1pm.  High near 37. Chance of precipitation is 80%.

    High: 37 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am.  Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Patchy freezing fog before 9am. Otherwise, increasing clouds, with a high near 35. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
A chance of snow showers, mainly before 2am. Cloudy, with a low around 23. Light east wind. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Washington's Birthday
Mostly cloudy, with a high near 38. Calm wind.
Monday Night
A slight chance of snow showers between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 45. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Rain, mainly after 1pm. High near 37. Chance of precipitation is 80%.
Wednesday Night
Rain likely before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
6:07 am EST Feb 15, 2026
7am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
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Additional Resources

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