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

51°F

11°C

Humidity 29%
Wind Speed SW 3 mph
Barometer 30.23 in (1025.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 4 Nov 6:51 pm EST
Extended Forecast for

Carnegie PA

  • Tonight

    Tonight: Mostly clear, with a low around 40. South wind 5 to 7 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 4pm. Increasing clouds, with a high near 64. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

    High: 64 °F

    Breezy. Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: Sunny, with a high near 53. Northwest wind 6 to 9 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy frost between midnight and 1am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday Night

    Friday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 40. South wind 5 to 7 mph.
Wednesday
A chance of showers, mainly after 4pm. Increasing clouds, with a high near 64. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 53. Northwest wind 6 to 9 mph.
Thursday Night
Patchy frost between midnight and 1am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph after midnight.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 47. Chance of precipitation is 90%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Veterans Day
Partly sunny, with a high near 42.
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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:
6:33 pm EST Nov 4, 2025
Forecast Valid:
7pm EST Nov 4, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation