Grindstone Weather Forecast

    • 41
    • 63

    Rain Showers

    • 48
    • 63

    Mostly Cloudy

    • 40
    • 78

    Rain Showers

    • 29
    • 50

    Partly Sunny

    • 35
    • 54

    Mostly Cloudy

    • 34
    • 51

    Partly Sunny

    • 38
    • 68

    Rain Likely

Today 20 Mar Fayette

Showers with a slight chance of Thunderstorms. Mild. Near steady temperature in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 20 Mar Fayette

Mostly cloudy. Showers likely with a chance of Thunderstorms this evening. Lows in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grindstone Temperature Statistics

March Temperature

Pittsburgh - Allegheny County Airport (23.6 miles)

  • Lowest 18 March, 2026

    15.1 °F

  • Average March

    48.1 °F

  • Highest 7 March, 2026

    78.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (23.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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