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

67°F

19°C

Humidity 84%
Wind Speed SE 5 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Jul 6:53 am EDT
Extended Forecast for

Library PA

  • Today

    Today: Isolated showers between 8am and 2pm, then isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. Light west wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 2am, then scattered showers between 2am and 5am, then scattered showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated showers between 8am and 2pm, then isolated showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. Light west wind.
Sunday
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Isolated showers and thunderstorms before 2am, then scattered showers between 2am and 5am, then scattered showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Library PA
 40.28°N 80.01°W (Elev. 1201 ft)
Last Update:
2:21 am EDT Jul 25, 2026
Forecast Valid:
7am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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