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

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Overcast

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Jul 3:51 am EDT
Extended Forecast for

Carnegie PA

  • Today

    Today: Scattered showers and thunderstorms, mainly after 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 82 °F

    Areas Fog
    then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. East wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. East wind around 5 mph becoming calm after midnight.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.
Tonight
Scattered showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85. East wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 66. East wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny and hot, with a high near 90.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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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:
2:21 am EDT Jul 11, 2026
Forecast Valid:
4am EDT Jul 11, 2026-6pm EDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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