Castle Shannon Weather Forecast

    • 57
    • 71

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 65
    • 82

    Chance Thunderstorms

    • 62
    • 80

    Partly Sunny

    • 62
    • 79

    Partly Sunny

Today 24 Aug Allegheny

Partly cloudy. Highs in the lower 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 24 Aug Allegheny

Mainly clear. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Castle Shannon Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (5 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    72.4 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (5 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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