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

54°F

12°C

Humidity 77%
Wind Speed E 3 mph
Barometer 29.83 in (1011.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 8 May 7:51 pm EDT
Extended Forecast for

Carnegie PA

  • Tonight

    Tonight: Showers, mainly after 4am. Low around 50. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Scattered
    Showers then
    Showers

  • Saturday

    Saturday: Showers, mainly before 10am. High near 70. South wind 10 to 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly sunny, with a high near 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
Showers, mainly after 4am. Low around 50. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly before 10am. High near 70. South wind 10 to 14 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. North wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Showers likely after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
Showers. High near 65. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 47. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
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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:
7:26 pm EDT May 8, 2026
Forecast Valid:
7pm EDT May 8, 2026-6pm EDT May 15, 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