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

78°F

26°C

Humidity 36%
Wind Speed S 12 G 18 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Nov 1:51 pm EST
Extended Forecast for

Carnegie PA

  • This Afternoon

    This Afternoon: A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 80. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain and thunderstorms likely. Cloudy, with a low around 61. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Rain Likely

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 8 to 14 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Southwest wind 3 to 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 80. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Rain and thunderstorms likely. Cloudy, with a low around 61. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind 8 to 14 mph.
Thursday Night
Partly cloudy, with a low around 49. Southwest wind 3 to 6 mph.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carnegie PA
 40.4°N 80.08°W (Elev. 899 ft)
Last Update:
1:21 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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