Grindstone Weather Forecast

    • 27
    • 38

    Mostly Cloudy

    • 19
    • 40

    Chance Snow

    • 13
    • 29

    Partly Sunny

    • 30
    • 38

    Mostly Cloudy

    • 27
    • 42

    Rain/Snow

    • 21
    • 35

    Snow Likely

Today 6 Dec Fayette

Considerable cloudiness. Highs in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 6 Dec Fayette

Considerable cloudiness. Lows in the upper 20s. Southwest Winds around 5 Mph.

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Grindstone Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 4 December, 2025

    16 °F

  • Average December

    28.2 °F

  • Highest 1 December, 2025

    32 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (23.6 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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