Parnassus Weather Forecast

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 94

    Rain Showers Likely

    • 69
    • 91

    Chance Thunderstorms

    • 65
    • 86

    Chance Thunderstorms

    • 60
    • 83

    Slight Chance Rain Showers

    • 61
    • 82

    Partly Sunny

Today 1 Sep Westmoreland

Partly sunny Early, then becoming partly cloudy. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Unseasonably warm with Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Chance of rain 30 percent. Heat index Values in the upper 90s.

Tonight 1 Sep Westmoreland

Mostly cloudy with a chance of Showers and Thunderstorms. Warm with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Parnassus Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

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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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