Grindstone - Rowes Run Weather Forecast

    • 62
    • 76

    Mostly Cloudy

    • 67
    • 82

    Partly Sunny

    • 48
    • 77

    Rain Showers

    • 51
    • 68

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 40
    • 66

    Mostly Sunny

    • 40
    • 61

    Sunny

Today 30 Sep Fayette

Mostly sunny. Highs in the upper 60s.

Tonight 30 Sep Fayette

Mostly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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Grindstone - Rowes Run Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (24.2 miles)

  • Lowest 25 September, 2026

    44.1 °F

  • Average September

    67.7 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (24.2 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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