Parnassus Weather Forecast

    • 67
    • 80

    Rain Showers

    • 58
    • 83

    Rain Showers Likely

    • 57
    • 78

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 61
    • 81

    Rain Showers Likely

    • 58
    • 78

    Rain Showers Likely

Today 17 Jun Westmoreland

Partly cloudy. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jun Westmoreland

Considerable cloudiness. A slight chance of Showers in the Evening, then Showers with a chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of rain 90 percent.

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Parnassus Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 1 June, 2026

    52 °F

  • Average June

    70.8 °F

  • Highest 11 June, 2026

    88 °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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