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.

Mostly Cloudy

69°F

21°C

Humidity 61%
Wind Speed SW 14 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 May 2:53 pm EDT
Extended Forecast for

Pittsburgh PA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 76. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 61. Southwest wind 5 to 9 mph becoming light. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Light south wind.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 93. Southwest wind 5 to 11 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 85. Chance of precipitation is 90%.

    High: 85 °F

    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 76. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 61. Southwest wind 5 to 9 mph becoming light. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 7am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 64. Light south wind.
Monday
Sunny and hot, with a high near 93. Southwest wind 5 to 11 mph.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny and hot, with a high near 93.
Tuesday Night
A chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 85. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburgh PA
 40.44°N 80.01°W (Elev. 850 ft)
Last Update:
2:21 pm EDT May 16, 2026
Forecast Valid:
3pm EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation