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.

Partly Cloudy

40°F

4°C

Humidity 43%
Wind Speed S 14 G 25 mph
Barometer 29.86 in (1012.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 11:53 am EST
Extended Forecast for

Monongahela PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 50. Southwest wind around 16 mph, with gusts as high as 28 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain before 5pm, then rain and snow. High near 46. Southwest wind around 11 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Low around 16. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Snow

  • Thursday

    Thursday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 24. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 50. Southwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 41. Southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
Rain before 5pm, then rain and snow. High near 46. Southwest wind around 11 mph becoming northwest in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow, mainly before 1am. Low around 16. West wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 24. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 12.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 50%.
Friday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 12.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.19°N 79.93°W (Elev. 863 ft)
Last Update:
10:53 am EST Jan 13, 2026
Forecast Valid:
12pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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