National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Mostly Cloudy

29°F

-2°C

Humidity 61%
Wind Speed NE 3 mph
Barometer 30.16 in (1023.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 1 Dec 7:51 pm EST
Extended Forecast for

Carnegie PA

Winter Weather Advisory December 2, 12:00am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 28. East wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Cloudy then
    Snow

  • Tuesday

    Tuesday: Snow, mainly before 9am. The snow could be heavy at times. High near 36. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Heavy Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Northwest wind 3 to 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 28. East wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow, mainly before 9am. The snow could be heavy at times. High near 36. Calm wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Mostly cloudy, with a low around 22. Northwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 32.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 32.
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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:
6:58 pm EST Dec 1, 2025
Forecast Valid:
8pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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