Grindstone Weather Forecast

    • 67
    • 80

    Chance Thunderstorms

    • 70
    • 86

    Thunderstorms Likely

    • 60
    • 82

    Rain Showers Likely

    • 59
    • 80

    Partly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 69
    • 88

    Chance Thunderstorms

Today 18 Jul Fayette

Mostly cloudy. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 18 Jul Fayette

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Patchy dense fog. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grindstone Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 4 July, 2025

    64.7 °F

  • Average July

    76.4 °F

  • Highest 7 July, 2025

    89.7 °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

    54.7 °F

  • Average High 2020–2025

    63.4 °F
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