West Mifflin Weather Forecast

    • 19
    • 26

    Chance Snow

    • 20
    • 30

    Mostly Cloudy

    • 30
    • 42

    Mostly Cloudy

    • 39
    • 47

    Chance Rain

    • 34
    • 51

    Slight Chance Rain

    • 43
    • 52

    Chance Rain

Today 3 Jan Allegheny

Considerable cloudiness. Highs in the mid 20s. Light and variable Winds, becoming west around 5 Mph.

Tonight 3 Jan Allegheny

Considerable cloudiness with a chance of Flurries. Lows around 19. Light and variable Winds, becoming west around 5 Mph after midnight.

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West Mifflin Temperature Statistics

January Temperature

Pittsburgh - Allegheny County Airport (2.5 miles)

  • Lowest 1 January, 2026

    12.9 °F

  • Average January

    16.6 °F

  • Highest 1 January, 2026

    30.9 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (2.5 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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