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.

Fair

63°F

17°C

Humidity 70%
Wind Speed Calm
Barometer 30.14 in (1020.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 4 Aug 1:51 am EDT
Extended Forecast for

Carnegie PA

  • Overnight

    Overnight: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles with a slight chance of showers before 2pm, then a slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of sprinkles before 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Sprinkles

  • Thursday Night

    Thursday Night: A chance of sprinkles between 8pm and 2am. Mostly clear, with a low around 66.

    Low: 66 °F

    Chance
    Sprinkles

Detailed Forecast

Overnight
Clear, with a low around 58. Calm wind.
Monday
Increasing clouds, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
A chance of sprinkles with a slight chance of showers before 2pm, then a slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of sprinkles before 2pm. Mostly sunny, with a high near 85.
Thursday Night
A chance of sprinkles between 8pm and 2am. Mostly clear, with a low around 66.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 66.
Saturday
A chance of sprinkles. Sunny, with a high near 89.
Saturday Night
A chance of sprinkles. Partly cloudy, with a low around 68.
Sunday
Mostly sunny and hot, with a high near 90.
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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:
1:04 am EDT Aug 4, 2025
Forecast Valid:
2am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
 
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