Parnassus Weather Forecast

    • 70
    • 90

    Mostly Sunny

    • 75
    • 95

    Partly Sunny

    • 76
    • 97

    Hot

    • 76
    • 99

    Hot

    • 75
    • 98

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

Today 29 Jun Westmoreland

Mostly sunny. Highs in the upper 80s. Light and variable Winds.

Tonight 29 Jun Westmoreland

Mainly clear. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph.

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Parnassus Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 16 June, 2026

    50 °F

  • Average June

    69.4 °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

    63.3 °F
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