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

30°F

-1°C

Humidity 56%
Wind Speed Calm
Barometer 29.90 in (1013.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 26 Feb 8:53 am EST
Extended Forecast for

Mount Oliver PA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 40. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 40 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. South wind 5 to 10 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. South wind 7 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 54. Southwest wind around 8 mph becoming northwest in the afternoon.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 40. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 24. Light and variable wind.
Friday
Sunny, with a high near 53. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 36. South wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 54. Southwest wind around 8 mph becoming northwest in the afternoon.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.39°N 79.99°W (Elev. 1188 ft)
Last Update:
5:16 am EST Feb 26, 2026
Forecast Valid:
8am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation