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.

Partly Cloudy

69°F

21°C

Humidity 76%
Wind Speed N 6 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 1:51 am EDT
Extended Forecast for

Carnegie PA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light northwest wind.

    Low: 64 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light east wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light northwest wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light east wind.
Saturday Night
Partly cloudy, with a low around 62. Calm wind.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Partly sunny and hot, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Carnegie PA
 40.4°N 80.08°W (Elev. 899 ft)
Last Update:
2:22 am EDT Aug 28, 2026
Forecast Valid:
2am EDT Aug 28, 2026-6pm EDT Sep 3, 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