Carnegie Weather Forecast

    • 30
    • 54

    Decreasing Clouds

    • 25
    • 48

    Becoming Sunny

    • 39
    • 59

    Partly Sunny

    • 57
    • 63

    Rain Likely

    • 58
    • 75

    Rain Showers Likely

    • 57
    • 74

    Thunderstorms Likely

    • 35
    • 65

    Chance Rain Showers

Today 25 Mar Allegheny

Mostly sunny. Highs in the lower 50s. West Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 25 Mar Allegheny

Mostly cloudy this Evening, then clearing. Lows in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carnegie Temperature Statistics

March Temperature

Pittsburgh - Allegheny County Airport (9.3 miles)

  • Lowest 2 March, 2025

    16.8 °F

  • Average March

    45.9 °F

  • Highest 19 March, 2025

    79.6 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (9.3 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63.2 °F
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