Parnassus Weather Forecast

    • 55
    • 76

    Chance Rain Showers

    • 55
    • 73

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 61
    • 82

    Mostly Cloudy

    • 63
    • 84

    Chance Thunderstorms

    • 60
    • 83

    Chance Thunderstorms

Today 23 Aug Westmoreland

Partly sunny this Morning, then becoming partly cloudy. A slight chance of Thunderstorms. A chance of Showers, mainly this morning. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 23 Aug Westmoreland

Partly cloudy. A chance of Showers after midnight. Lows in the mid 50s. Southwest Winds 10 to 15 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Parnassus Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    72.4 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads