Pittsburgh Weather Forecast

    • 21
    • 43

    Chance Snow Showers

    • 30
    • 45

    Mostly Cloudy

    • 18
    • 36

    Mostly Sunny

    • 30
    • 37

    Rain Likely

    • 32
    • 47

    Chance Rain

    • 36
    • 44

    Rain Likely

Today 19 Dec Allegheny

Snow Showers likely. Little or no snow accumulation. Near steady temperature in the mid 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.

Tonight 19 Dec Allegheny

Mostly cloudy with a chance of snow Showers in the Evening, then mainly clear after midnight. Little or no snow accumulation. Near steady temperature in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of snow 40 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

    26.7 °F

  • Highest 17 December, 2025

    46.9 °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

    63.2 °F
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