West Mifflin Weather Forecast

    • 18
    • 37

    Slight Chance Snow

    • 13
    • 27

    Partly Sunny

    • 32
    • 37

    Rain

    • 27
    • 43

    Rain

    • 21
    • 33

    Snow Likely

    • 13
    • 31

    Chance Snow

    • 12
    • 23

    Chance Snow

Today 7 Dec Allegheny

Considerable cloudiness. A slight chance of snow. Near steady temperature in the mid 30s. Southwest Winds 5 to 10 Mph. Chance of snow 20 percent.

Tonight 7 Dec Allegheny

Mostly cloudy. Lows around 18. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Mifflin Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (2.5 miles)

  • Lowest 5 December, 2025

    14 °F

  • Average December

    27.1 °F

  • Highest 1 December, 2025

    32 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (2.5 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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