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

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.49 in (999.4 mb)
Dewpoint 44°F (7°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 12 Nov 12:53 pm EST
Extended Forecast for

Library PA

  • This Afternoon

    This Afternoon: Rain likely, mainly before 2pm. Cloudy, with a high near 52. Light and variable wind becoming north 9 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Tonight

    Tonight: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35. North wind 9 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 46. North wind 8 to 11 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. West wind 5 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46. West wind 7 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly before 2pm. Cloudy, with a high near 52. Light and variable wind becoming north 9 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35. North wind 9 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 46. North wind 8 to 11 mph.
Friday Night
Mostly cloudy, with a low around 30. West wind 5 to 8 mph.
Saturday
A slight chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46. West wind 7 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a slight chance of rain after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 27.
Wednesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Library PA
 40.28°N 79.98°W (Elev. 928 ft)
Last Update:
1:21 pm EST Nov 12, 2026
Forecast Valid:
1pm EST Nov 12, 2026-6pm EST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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