West Mifflin Weather Forecast

    • 43
    • 73

    Rain

    • 26
    • 51

    Rain

    • 29
    • 45

    Mostly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 48
    • 61

    Chance Rain

    • 54
    • 67

    Chance Rain

Today 26 Mar Allegheny

Partly sunny. A slight chance of rain this Morning, then a chance of rain with isolated Thunderstorms this afternoon. Unseasonably warm with Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 26 Mar Allegheny

Showers and scattered Thunderstorms in the Evening, then rain after midnight. Some Thunderstorms may be severe. Lows in the lower 40s. Southwest Winds 10 to 15 Mph, becoming northwest after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

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West Mifflin Temperature Statistics

March Temperature

Pittsburgh - Allegheny County Airport (2.5 miles)

  • Lowest 18 March, 2026

    15.1 °F

  • Average March

    48.6 °F

  • Highest 22 March, 2026

    84 °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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