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.

Light Rain

39°F

4°C

Humidity 65%
Wind Speed E 5 mph
Barometer 30.08 in (1020.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Nov 1:51 pm EST
Extended Forecast for

Carnegie PA

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 42. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog between midnight and 1am. Low around 36. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain then
    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 57. Chance of precipitation is 40%.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 42. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 4am. Patchy fog between midnight and 1am. Low around 36. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 50. Light north wind.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, cloudy, with a high near 53. Light and variable wind.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Cloudy, with a high near 57. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 56.
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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:
1:51 pm EST Nov 18, 2025
Forecast Valid:
1pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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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