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

70°F

21°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 27 Jul 1:53 am EDT
Extended Forecast for

Mount Oliver PA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: A slight chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Southwest wind 13 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 65. Northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Monday
A slight chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Southwest wind 13 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 65. Northwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A chance of showers. Mostly cloudy, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.41°N 80.02°W (Elev. 994 ft)
Last Update:
12:46 am EDT Jul 27, 2026
Forecast Valid:
1am EDT Jul 27, 2026-6pm EDT Aug 2, 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