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

38°F

3°C

Humidity 46%
Wind Speed W 6 mph
Barometer 30.05 in (1018.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Nov 5:53 pm EST
Extended Forecast for

Monongahela PA

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 5 to 8 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then rain. High near 42. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 1am. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Light north wind.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 56.

    High: 56 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely before 10am, then showers likely after 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Showers likely before 1am, then rain likely after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
A chance of rain and snow before noon, then rain. High near 42. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, mainly before 1am. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 52. Light north wind.
Wednesday Night
Mostly cloudy, with a low around 37. Calm wind.
Thursday
Cloudy, with a high near 56.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Rain likely before 10am, then showers likely after 10am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
Showers likely before 1am, then rain likely after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A chance of rain before 1pm, then a chance of showers after 1pm. Partly sunny, with a high near 53. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.18°N 79.9°W (Elev. 869 ft)
Last Update:
12:31 pm EST Nov 17, 2025
Forecast Valid:
6pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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