Grindstone Weather Forecast

    • 43
    • 68

    Mostly Sunny

    • 49
    • 76

    Sunny

    • 52
    • 82

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 57
    • 87

    Partly Sunny

    • 59
    • 83

    Mostly Cloudy

Today 8 Sep Fayette

Sunny. Near steady temperature in the upper 60s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 8 Sep Fayette

Clear. Lows in the mid 40s. Southwest Winds 5 to 10 Mph, becoming south after midnight.

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Grindstone Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 3 September, 2024

    50 °F

  • Average September

    67.8 °F

  • Highest 1 September, 2024

    87.7 °F

Climate (2019–Present)

Pittsburgh - Allegheny County Airport (23.6 miles)

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  • Average Low 2019–2024

    46.1 °F

  • Average 2019–2024

    54.4 °F

  • Average High 2019–2024

    63.1 °F
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