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

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 30.22 in (1022.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Jul 11:56 pm EDT
Extended Forecast for

Preston Corner PA

  • Overnight

    Overnight: Mostly clear, with a low around 54. South wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 54. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 82. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 61. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Preston Corner PA
 41.82°N 75.38°W (Elev. 1598 ft)
Last Update:
2:30 pm EDT Jul 24, 2026
Forecast Valid:
12am EDT Jul 25, 2026-6pm EDT Jul 31, 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