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

55°F

13°C

Humidity 90%
Wind Speed N 5 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 22 Jun 12:56 am EDT
Extended Forecast for

4 Miles ENE Lewbeach NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 62. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 1am, then showers likely. Low around 52. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northwest wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Monday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 62. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 1am, then showers likely. Low around 52. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 50. Northwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 55. Chance of precipitation is 80%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Lewbeach NY
 42.03°N 74.72°W (Elev. 2257 ft)
Last Update:
8:36 pm EDT Jun 21, 2026
Forecast Valid:
1am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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