Pittsburgh International Airport Weather Forecast

    • 27
    • 35

    Mostly Cloudy

    • 19
    • 36

    Chance Rain/Snow

    • 13
    • 26

    Partly Sunny

    • 31
    • 35

    Rain/Snow Likely

    • 26
    • 40

    Rain

    • 21
    • 32

    Snow Likely

Today 6 Dec Allegheny

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

Tonight 6 Dec Allegheny

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

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Pittsburgh International Airport Temperature Statistics

December Temperature

Pittsburgh, Pittsburgh International Airport (1.9 miles)

  • Lowest 4 December, 2025

    17.1 °F

  • Average December

    28.5 °F

  • Highest 1 December, 2025

    33.1 °F

Climate (2020–Present)

Pittsburgh, Pittsburgh International Airport (1.9 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.1 °F
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