Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

83°F

28°C

Humidity 40%
Wind Speed SE 6 mph
Barometer 30.14 in (1019.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 29 Jun 3:56 pm EDT
Extended Forecast for

2 Miles SE Grahamsville NY

Extreme Heat Watch July 1, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 66. Light west wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93. West wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Calm wind.
Tonight
Partly cloudy, with a low around 62. Calm wind.
Tuesday
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 66. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny and hot, with a high near 94.
Friday Night
Partly cloudy, with a low around 69.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Grahamsville NY
 41.84°N 74.52°W (Elev. 1286 ft)
2:30 pm EDT Jun 29, 2026
4pm EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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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