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 Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed W 5 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Wind Chill46°F (8°C)
Last update 23 Mar 12:51 am EDT
Extended Forecast for

Carnegie PA

  • Overnight

    Overnight: Showers, mainly before 4am. Steady temperature around 50. Northwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly before 11am. Mostly cloudy, with a high near 45. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Showers, mainly before 4am. Steady temperature around 50. Northwest wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 45. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 50. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of rain after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Thursday Night
Rain, mainly after 8pm. Low around 40. Chance of precipitation is 90%.
Friday
A chance of rain before 2pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 55.
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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:
1:11 am EDT Mar 23, 2026
Forecast Valid:
1am EDT Mar 23, 2026-6pm EDT Mar 29, 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