National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

63°F

17°C

Humidity 50%
Wind Speed NW 8 G 22 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 13 May 5:53 pm EDT
Extended Forecast for

Mount Oliver PA

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West wind 8 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 56. Northwest wind 11 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 43. Northwest wind 8 to 11 mph.

    Low: 43 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 69. West wind 6 to 8 mph.

    High: 69 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West wind 8 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 56. Northwest wind 11 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 43. Northwest wind 8 to 11 mph.
Friday
Increasing clouds, with a high near 69. West wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 52. South wind around 6 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny and hot, with a high near 90.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Wednesday
Showers likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.41°N 79.99°W (Elev. 1191 ft)
Last Update:
2:21 pm EDT May 13, 2026
Forecast Valid:
6pm EDT May 13, 2026-6pm EDT May 20, 2026
 
Forecast Discussion
 
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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