Pittsburgh Weather Forecast

    • 15
    • 33

    Snow

    • 15
    • 24

    Mostly Cloudy

    • 17
    • 33

    Mostly Cloudy

    • 16
    • 30

    Mostly Cloudy

    • 20
    • 32

    Mostly Cloudy

    • 29
    • 39

    Chance Rain

Today 31 Dec Allegheny

Considerable cloudiness. A slight chance of snow late this Morning, then snow Showers this afternoon. Snow accumulation around an inch. 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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Pittsburgh Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (6.8 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 (6.8 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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