Grindstone Weather Forecast

    • 69
    • 84

    Rain Showers

    • 69
    • 82

    Rain Showers

    • 59
    • 81

    Chance Rain Showers

    • 59
    • 79

    Mostly Sunny

    • 65
    • 82

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

Today 15 Aug Fayette

Patchy fog this morning. Partly cloudy. Highs in the lower 80s. Light and variable Winds, becoming east around 5 Mph this afternoon.

Tonight 15 Aug Fayette

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

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  • Temperature Real-Time

Grindstone Temperature Statistics

August Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    72.9 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (23.6 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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