Parnassus Weather Forecast

    • 64
    • 84

    Rain Showers

    • 66
    • 87

    Partly Sunny

    • 65
    • 88

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 70
    • 95

    Hot

    • 68
    • 92

    Slight Chance Thunderstorms

    • 67
    • 90

    Slight Chance Thunderstorms

Today 11 Jul Westmoreland

Considerable cloudiness with a chance of Showers and Thunderstorms. Near steady temperature around 80. Northwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 11 Jul Westmoreland

Mostly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the lower 60s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Parnassus Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    78.3 °F

  • Highest 2 July, 2026

    93 °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

    63.4 °F
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