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.

A Few Clouds

56°F

13°C

Humidity 47%
Wind Speed SW 13 G 20 mph
Barometer 30.10 in (1020.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Mar 2:53 pm EDT
Extended Forecast for

Mount Oliver PA

  • This Afternoon

    This Afternoon: A slight chance of rain. Partly sunny, with a high near 53. West wind around 7 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 61. South wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain and thunderstorms likely before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 62. North wind around 5 mph becoming west in the afternoon.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 8am. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

This Afternoon
A slight chance of rain. Partly sunny, with a high near 53. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 37. Light and variable wind becoming southeast around 5 mph after midnight.
Friday
Rain likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a high near 61. South wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain and thunderstorms likely before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 42. West wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 62. North wind around 5 mph becoming west in the afternoon.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A chance of rain after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
A chance of rain before 8am. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 52.
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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:
2:21 pm EDT Mar 19, 2026
Forecast Valid:
3pm EDT Mar 19, 2026-6pm EDT Mar 25, 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