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

Hazardous Weather Conditions

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

A Few Clouds

71°F

22°C

Humidity 90%
Wind Speed NW 5 mph
Barometer 30.12 in (1019.6 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 15 Jul 6:51 am EDT
Extended Forecast for

Carnegie PA

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Low around 72. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Patchy Fog

  • Saturday

    Saturday: A chance of showers after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Patchy Fog
    then Chance
    Showers

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 72. Calm wind.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Low around 72. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Friday Night
Showers likely before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A chance of showers after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carnegie PA
 40.4°N 80.08°W (Elev. 899 ft)
Last Update:
4:03 am EDT Jul 15, 2025
Forecast Valid:
6am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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