Upper St Clair Weather Forecast

    • 74
    • 93

    Patchy Smoke

    • 66
    • 89

    Areas Smoke

    • 71
    • 88

    Rain Showers

    • 68
    • 84

    Rain Showers

    • 65
    • 83

    Chance Thunderstorms

    • 68
    • 85

    Rain Showers Likely

Today 15 Jul Allegheny

Mostly sunny. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Heat index Values up to 102.

Tonight 15 Jul Allegheny

Mainly clear. Patchy smoke after midnight. Warm with Lows in the lower 70s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Upper St Clair Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (8.1 miles)

  • Lowest 12 July, 2026

    66.9 °F

  • Average July

    77.3 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (8.1 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.4 °F
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