Glenshaw Weather Forecast

    • 14
    • 30

    Snow

    • 14
    • 22

    Mostly Cloudy

    • 15
    • 31

    Mostly Cloudy

    • 16
    • 28

    Mostly Cloudy

    • 19
    • 30

    Mostly Cloudy

    • 27
    • 37

    Slight Chance Rain/Snow

Today 31 Dec Allegheny

Considerable cloudiness. A chance of snow this Morning, then snow Showers this afternoon. Snow accumulation 1 to 2 Inches. Highs in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 90 percent.

Tonight 31 Dec Allegheny

Snow. Additional snow accumulation 1 to 3 Inches. Total snow accumulation 2 to 4 Inches. Cold with Lows around 15. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow near 100 percent.

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Glenshaw Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (12.4 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    31.2 °F

  • Highest 28 December, 2025

    64 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (12.4 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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