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.

Overcast

39°F

4°C

Humidity 73%
Wind Speed Vrbl 5 mph
Barometer 30.02 in (1017.8 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 20 Mar 9:56 am EDT
Extended Forecast for

Grahamsville NY

  • Today

    Today: Rain, mainly after 3pm. High near 54. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Partly Sunny
    then Rain

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 35. West wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Northwest wind around 7 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 55. South wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 55 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: Rain likely, possibly mixed with snow, mainly before 8am. Partly sunny, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 3pm. High near 54. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 8pm. Low around 35. West wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 49. Northwest wind around 7 mph.
Saturday Night
A slight chance of snow after 2am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 55. South wind 3 to 7 mph. Chance of precipitation is 50%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
Rain likely, possibly mixed with snow, mainly before 8am. Partly sunny, with a high near 44. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grahamsville NY
 41.84°N 74.55°W (Elev. 1115 ft)
Last Update:
6:10 am EDT Mar 20, 2026
Forecast Valid:
10am EDT Mar 20, 2026-6pm EDT Mar 26, 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