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.

Mostly Cloudy

62°F

17°C

Humidity 80%
Wind Speed Calm
Barometer 30.03 in (1016.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Apr 9:56 pm EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 37. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Rain showers before 11am, then rain and snow showers. High near 41. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 2pm. Partly sunny, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Calm wind.
Saturday
Mostly sunny, with a high near 64. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Showers, mainly after 2am. Low around 37. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain showers before 11am, then rain and snow showers. High near 41. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow showers before 11pm, then a slight chance of snow showers. Partly cloudy, with a low around 24. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of snow showers before 2pm. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 46.
Tuesday Night
A chance of rain and snow showers before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 61.
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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:
8:37 pm EDT Apr 17, 2026
Forecast Valid:
10pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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