Parnassus Weather Forecast

    • 62
    • 81

    Increasing Clouds

    • 61
    • 84

    Chance Thunderstorms

    • 57
    • 82

    Partly Sunny

    • 60
    • 83

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 69
    • 89

    Chance Rain Showers

Today 26 Aug Westmoreland

Partly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs around 80. South Winds around 5 Mph.

Tonight 26 Aug Westmoreland

Mainly clear. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Parnassus Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 24 August, 2026

    55.9 °F

  • Average August

    71.6 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (16.2 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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