Grindstone Weather Forecast

    • 41
    • 62

    Rain Showers Likely

    • 41
    • 54

    Chance Rain Showers

    • 36
    • 55

    Chance Rain Showers

    • 33
    • 55

    Mostly Cloudy

    • 36
    • 57

    Slight Chance Rain Showers

    • 39
    • 60

    Slight Chance Rain Showers

Today 21 Oct Fayette

Partly cloudy with a slight chance of Showers Early, then mostly cloudy with Showers likely. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 21 Oct Fayette

Partly cloudy with Showers likely in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Grindstone Temperature Statistics

October Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 17 October, 2025

    39 °F

  • Average October

    59.4 °F

  • Highest 6 October, 2025

    81 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (23.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    63.5 °F
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