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

52°F

11°C

Humidity 59%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Mar 9:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Today

    Today: Mostly sunny, with a high near 63. West wind 3 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain before midnight, then a slight chance of rain after 4am. Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 62. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 34. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Thursday

    Thursday: A chance of rain and snow showers before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 37. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 37 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 2pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. West wind 3 to 8 mph.
Tonight
A slight chance of rain before midnight, then a slight chance of rain after 4am. Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 62. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 34. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and snow showers before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 37. Northwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 19.
Friday
A chance of snow after 2pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Friday Night
A chance of snow before 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
Rain. Low around 30. Chance of precipitation is 80%.
Monday
Rain and snow. High near 45. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
7:52 am EDT Mar 10, 2026
Forecast Valid:
10am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation