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.

Fair

40°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1017.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 11 Nov 12:51 am EST
Extended Forecast for

Carnegie PA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Areas Fog

  • Veterans Day

    Veterans Day: Patchy fog before 10am. Otherwise, increasing clouds, with a high near 63. Calm wind becoming south around 5 mph.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 46. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain. High near 50. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 7am, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 38. Calm wind.
Veterans Day
Patchy fog before 10am. Otherwise, increasing clouds, with a high near 63. Calm wind becoming south around 5 mph.
Wednesday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 46. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 50. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before 7am, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Monday
Areas of fog. Otherwise, partly sunny, with a high near 48.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 32.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 50.
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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:
1:21 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation