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

74°F

23°C

Humidity 71%
Wind Speed Vrbl 3 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Aug 4:53 pm EDT
Extended Forecast for

Clairton PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers after 11pm. Patchy fog after 4am. Low around 66. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west 5 to 8 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: 81 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers after 11pm. Patchy fog after 4am. Low around 66. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west 5 to 8 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.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 61.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Clairton PA
 40.29°N 79.89°W (Elev. 866 ft)
Last Update:
2:21 pm EDT Aug 11, 2026
Forecast Valid:
5pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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