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

47°F

8°C

Humidity 90%
Wind Speed Calm
Barometer 30.23 in (1024.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 1 Apr 9:56 pm EDT
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: Rain. Patchy fog between 2am and 3am. Low around 39. Light east wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely
    then Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 3pm. Patchy fog between 10am and 1pm. Otherwise, cloudy, with a high near 44. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers between 8pm and 2am. Cloudy, with a low around 36. East wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 68. Southwest wind 3 to 7 mph.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 54. West wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

Tonight
Rain. Patchy fog between 2am and 3am. Low around 39. Light east wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before 3pm. Patchy fog between 10am and 1pm. Otherwise, cloudy, with a high near 44. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A slight chance of showers between 8pm and 2am. Cloudy, with a low around 36. East wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 68. Southwest wind 3 to 7 mph.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 54. West wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
Showers. High near 62. Chance of precipitation is 80%.
Sunday Night
Showers likely before 8pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
5:46 pm EDT Apr 1, 2026
Forecast Valid:
10pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation