Parnassus Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 36
    • 66

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

    • 46
    • 70

    Mostly Cloudy

    • 47
    • 69

    Mostly Cloudy

    • 51
    • 73

    Mostly Cloudy

    • 56
    • 73

    Rain Showers Likely

Today 29 Oct Westmoreland

Showers likely. Highs in the upper 60s. Chance of rain 60 percent.

Tonight 29 Oct Westmoreland

Mainly clear this Evening, then becoming mostly cloudy. Lows in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Parnassus Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 18 October, 2026

    30.9 °F

  • Average October

    57 °F

  • Highest 13 October, 2026

    82 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (16.2 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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