Parnassus Weather Forecast

    • 53
    • 79

    Becoming Sunny

    • 58
    • 80

    Mostly Sunny

    • 63
    • 83

    Rain Showers Likely

    • 65
    • 81

    Rain Showers Likely

    • 64
    • 83

    Chance Thunderstorms

    • 67
    • 87

    Slight Chance Thunderstorms

Today 23 Jun Westmoreland

Mostly sunny. Highs in the upper 70s. North Winds 10 to 15 Mph.

Tonight 23 Jun Westmoreland

Mainly clear. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 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

    69.9 °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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