National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

71°F

22°C

Humidity 71%
Wind Speed NW 8 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Aug 8:56 pm EDT
Extended Forecast for

Fortenia PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 11pm. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. Light north wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between midnight and 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 20%.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. West wind 3 to 8 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Light northwest wind.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 10pm and 11pm. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. Light north wind. Chance of precipitation is 20%.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers between midnight and 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 20%.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. West wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 57. Light northwest wind.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fortenia PA
 41.57°N 75.28°W (Elev. 1201 ft)
Last Update:
6:33 pm EDT Aug 11, 2026
Forecast Valid:
9pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation