Carnegie Weather Forecast

    • 46
    • 76

    Rain Showers

    • 42
    • 61

    Rain Showers

    • 42
    • 63

    Chance Rain Showers

    • 41
    • 53

    Chance Rain Showers

    • 36
    • 55

    Chance Rain Showers

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    Chance Rain Showers

Today 19 Oct Allegheny

Partly sunny in the Morning, then cloudy with Showers in the afternoon. Breezy, warm with Highs in the mid 70s. Temperatures falling into the upper 60s in the afternoon. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

Tonight 19 Oct Allegheny

A slight chance of Thunderstorms. Showers. Lows in the mid 40s. Southwest Winds 15 to 20 Mph, becoming west after midnight. Gusts up to 35 Mph. Chance of rain near 100 percent.

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Carnegie Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (9.3 miles)

  • Lowest 9 October, 2025

    41 °F

  • Average October

    59.6 °F

  • Highest 6 October, 2025

    81 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (9.3 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    63.4 °F
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