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.

Mostly Cloudy

76°F

24°C

Humidity 56%
Wind Speed W 10 G 16 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 11:56 am EDT
Extended Forecast for

Winterdale PA

  • Today

    Today: Mostly sunny, with a high near 82. West wind around 6 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers between 1pm and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Light northwest wind. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 51. Calm wind.

    Low: 51 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 82. West wind around 6 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Thursday
A slight chance of showers between 1pm and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. Light northwest wind. Chance of precipitation is 20%.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 51. Calm wind.
Friday
Sunny, with a high near 80. Calm wind.
Friday Night
Mostly clear, with a low around 55.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winterdale PA
 41.95°N 75.36°W (Elev. 1099 ft)
Last Update:
6:07 am EDT Aug 19, 2026
Forecast Valid:
11am EDT Aug 19, 2026-6pm EDT Aug 25, 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