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.

Partly Cloudy

71°F

22°C

Humidity 68%
Wind Speed S 15 G 28 mph
Barometer 29.55 in (1000.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Jun 3:53 am EDT
Extended Forecast for

Mount Oliver PA

  • Overnight

    Overnight: Showers. Low around 68. Breezy, with a south wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers likely, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a west wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Breezy.
    Showers
    Likely then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. West wind 6 to 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. West wind 7 to 11 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

Detailed Forecast

Overnight
Showers. Low around 68. Breezy, with a south wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a west wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 59. West wind 6 to 14 mph, with gusts as high as 26 mph.
Juneteenth
Sunny, with a high near 77. West wind 6 to 15 mph.
Friday Night
Mostly clear, with a low around 58. West wind 7 to 11 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 78. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 62. Chance of precipitation is 80%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 76. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
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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:
3:41 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation