Sewickley Hills Weather Forecast

    • 58
    • 83

    Decreasing Clouds

    • 60
    • 84

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 59
    • 85

    Partly Sunny

    • 59
    • 84

    Partly Sunny

    • 61
    • 85

    Mostly Sunny

Today 13 Sep Allegheny

Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 13 Sep Allegheny

Mostly cloudy in the Evening, then becoming mainly clear. Lows in the upper 50s. North Winds around 5 Mph.

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Sewickley Hills Temperature Statistics

September Temperature

Pittsburgh, Pittsburgh International Airport (8.1 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    63.5 °F

  • Highest 3 September, 2025

    82 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (8.1 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.1 °F
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