Pittsburgh Weather Forecast

    • 35
    • 49

    Rain

    • 33
    • 42

    Mostly Cloudy

    • 49
    • 59

    Rain

    • 22
    • 56

    Rain/Snow Likely

    • 23
    • 30

    Chance Snow

    • 19
    • 33

    Chance Snow

Today 26 Dec Allegheny

Rain likely with a slight chance of freezing rain this Morning, then rain with possible freezing rain and Thunderstorms likely this afternoon. Ice accumulation of up to a tenth of an inch. Highs in the upper 40s. East Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of precipitation near 100 percent.

Tonight 26 Dec Allegheny

Cloudy. Rain likely in the evening. Lows in the mid 30s. Northwest Winds 5 to 10 Mph. Chance of rain 70 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

    29.6 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (6.8 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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