Pittsburgh Weather Forecast

    • 73
    • 90

    Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Rain Showers Likely

    • 66
    • 86

    Rain Showers Likely

    • 61
    • 81

    Slight Chance Rain Showers

    • 62
    • 80

    Partly Sunny

    • 61
    • 81

    Partly Sunny

Today 1 Sep Allegheny

Partly cloudy. Unseasonably warm. Near steady temperature in the upper 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 102.

Tonight 1 Sep Allegheny

Mostly cloudy with a chance of Showers and Thunderstorms. Warm with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Pittsburgh Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (6.8 miles)

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Climate (2021–2026)

Pittsburgh - Allegheny County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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