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 89%
Wind Speed S 5 mph
Barometer 30.16 in (1022.5 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill34°F (1°C)
Last update 8 Jan 8:53 am EST
Extended Forecast for

Monongahela PA

  • Today

    Today: Partly sunny, with a high near 56. Southeast wind around 6 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain, mainly after 7am. High near 65. Southwest wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 59. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: A chance of snow after 7am. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Southeast wind around 6 mph.
Tonight
A slight chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Friday
Rain, mainly after 7am. High near 65. Southwest wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 59. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of snow after 7am. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.21°N 79.93°W (Elev. 801 ft)
Last Update:
8:49 am EST Jan 8, 2026
Forecast Valid:
9am EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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