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

61°F

16°C

Humidity 34%
Wind Speed Vrbl 3 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 May 12:53 pm EDT
Extended Forecast for

Clairton PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Calm wind becoming southwest around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Southwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 45. Northwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 57. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Calm wind becoming southwest around 5 mph.
Tonight
Increasing clouds, with a low around 54. Calm wind becoming south 5 to 7 mph after midnight.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 69. Southwest wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 45. Northwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 57. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clairton PA
 40.29°N 79.89°W (Elev. 866 ft)
Last Update:
1:11 pm EDT May 12, 2026
Forecast Valid:
1pm EDT May 12, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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