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.

Overcast with Haze

30°F

-1°C

Humidity 79%
Wind Speed NW 8 mph
Barometer 30.20 in (1024.4 mb)
Dewpoint 24°F (-4°C)
Visibility 6.00 mi
Wind Chill22°F (-6°C)
Last update 4 Dec 10:53 am EST
Extended Forecast for

Mount Oliver PA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind 9 to 13 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 12. North wind around 5 mph becoming calm.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 34. Light and variable wind becoming south around 5 mph in the morning.

    High: 34 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 22. Calm wind becoming southwest around 6 mph after midnight.

    Low: 22 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 36. Southwest wind 7 to 10 mph.

    High: 36 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow after 1pm. Cloudy, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Cloudy then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind 9 to 13 mph.
Tonight
Partly cloudy, with a low around 12. North wind around 5 mph becoming calm.
Friday
Increasing clouds, with a high near 34. Light and variable wind becoming south around 5 mph in the morning.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22. Calm wind becoming southwest around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 36. Southwest wind 7 to 10 mph.
Saturday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Sunday
A chance of rain and snow after 1pm. Cloudy, with a high near 36. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Tuesday Night
A chance of snow. Cloudy, with a low around 28. Chance of precipitation is 50%.
Wednesday
Rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.39°N 79.99°W (Elev. 1188 ft)
Last Update:
10:21 am EST Dec 4, 2025
Forecast Valid:
11am EST Dec 4, 2025-6pm EST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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