West Mifflin Weather Forecast

    • 31
    • 36

    Rain/Snow Likely

    • 23
    • 41

    Rain/Snow

    • 21
    • 29

    Chance Snow

    • 23
    • 32

    Snow Likely

    • 19
    • 34

    Chance Snow

    • 10
    • 23

    Slight Chance Snow

    • 14
    • 27

    Chance Snow

Today 9 Dec Allegheny

Considerable cloudiness. Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Dec Allegheny

Considerable cloudiness. A chance of rain and snow after midnight. Little or no snow accumulation. Lows in the lower 30s. Temperatures rising into the mid 30s after midnight. Southwest Winds 15 to 20 Mph. Gusts up to 35 Mph after midnight. Chance of precipitation 50 percent.

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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

    28.4 °F

  • Highest 7 December, 2025

    36 °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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