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

23°F

-5°C

Humidity 85%
Wind Speed NW 6 mph
Barometer 30.32 in (1028.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 24 Mar 6:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Today

    Today: Sunny, with a high near 39. North wind 5 to 9 mph becoming west in the afternoon.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Northwest wind 3 to 5 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 31. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 56. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain before 5am, then rain likely, possibly mixed with snow. Low around 31. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain likely before 8am. Mostly sunny, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. North wind 5 to 9 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 22. Northwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 43. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 31. South wind around 6 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 56. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain before 5am, then rain likely, possibly mixed with snow. Low around 31. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely before 8am. Mostly sunny, with a high near 34. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 13.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 46.
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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:
2:36 am EDT Mar 24, 2026
Forecast Valid:
7am EDT Mar 24, 2026-6pm EDT Mar 30, 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