Upper St Clair Weather Forecast

    • 43
    • 71

    Becoming Sunny

    • 55
    • 77

    Partly Sunny

    • 58
    • 76

    Rain

    • 36
    • 67

    Chance Rain

    • 37
    • 50

    Mostly Sunny

    • 51
    • 66

    Partly Sunny

Today 13 Mar Allegheny

Mostly sunny. Unseasonably warm with Highs around 70. Northwest Winds around 5 Mph.

Tonight 13 Mar Allegheny

Clear. Lows in the lower 40s. Northeast Winds around 5 Mph, becoming east after midnight.

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Upper St Clair Temperature Statistics

March Temperature

Pittsburgh - Allegheny County Airport (8.1 miles)

  • Lowest 2 March, 2025

    16.8 °F

  • Average March

    40.2 °F

  • Highest 11 March, 2025

    71.1 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (8.1 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    63.1 °F
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