McKees Rocks Weather Forecast

    • 29
    • 47

    Slight Chance Rain

    • 38
    • 43

    Rain

    • 36
    • 46

    Chance Rain

    • 29
    • 57

    Rain

    • 20
    • 39

    Chance Snow

    • 22
    • 29

    Mostly Cloudy

Today 25 Dec Allegheny

Mostly cloudy. A chance of rain in the morning. Highs in the mid 40s. Temperatures falling into the lower 40s in the afternoon. West Winds around 5 Mph, becoming northwest in the afternoon. Chance of rain 50 percent.

Tonight 25 Dec Allegheny

Mostly cloudy. Lows in the upper 20s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McKees Rocks Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (10.6 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    28.5 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (10.6 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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