Parnassus Weather Forecast

    • 51
    • 78

    Rain Showers

    • 62
    • 72

    Rain Showers

    • 37
    • 71

    Rain Showers

    • 33
    • 53

    Mostly Sunny

    • 36
    • 63

    Mostly Sunny

    • 42
    • 66

    Mostly Cloudy

Today 14 Oct Westmoreland

Showers likely with scattered Thunderstorms. Warm with Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 14 Oct Westmoreland

Mostly cloudy. Showers likely with isolated Thunderstorms in the evening. Lows in the lower 50s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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Parnassus Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 7 October, 2026

    41 °F

  • Average October

    59.3 °F

  • Highest 1 October, 2026

    81 °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

    63.2 °F
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