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

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

57°F

14°C

Humidity 26%
Wind Speed W 9 G 24 mph
Barometer 30.22 in (1024.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 4 Nov 1:53 pm EST
Extended Forecast for

Monongahela PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. West wind around 11 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 3 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain, mainly after 4pm. Increasing clouds, with a high near 66. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    High: 66 °F

    Breezy. Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly between 7pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, sunny, with a high near 54. Northwest wind 6 to 9 mph.

    High: 54 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Areas of frost between 10pm and 3am. Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Areas Frost

  • Friday

    Friday: Rain likely after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 59. Chance of precipitation is 30%.

    High: 59 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 60. West wind around 11 mph.
Tonight
Mostly clear, with a low around 38. South wind 3 to 7 mph.
Wednesday
A chance of rain, mainly after 4pm. Increasing clouds, with a high near 66. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain, mainly between 7pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 54. Northwest wind 6 to 9 mph.
Thursday Night
Areas of frost between 10pm and 3am. Otherwise, partly cloudy, with a low around 34.
Friday
Rain likely after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
Rain. Low around 45. Chance of precipitation is 90%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.21°N 79.93°W (Elev. 801 ft)
Last Update:
12:17 pm EST Nov 4, 2025
Forecast Valid:
2pm EST Nov 4, 2025-6pm EST Nov 10, 2025
 
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