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.

Fair

82°F

28°C

Humidity 65%
Wind Speed Vrbl 7 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 May 6:53 pm EDT
Extended Forecast for

Mount Oliver PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 4pm. High near 76. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 49. North wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am. Partly sunny, with a high near 69. Northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 53. East wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 2am. Low around 54. Chance of precipitation is 100%.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 4pm. High near 76. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 49. North wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am. Partly sunny, with a high near 69. Northeast wind around 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 53. East wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 66. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers, with thunderstorms also possible after 2am. Low around 54. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.39°N 79.96°W (Elev. 1096 ft)
Last Update:
6:46 pm EDT May 19, 2026
Forecast Valid:
7pm EDT May 19, 2026-6pm EDT May 26, 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