McKeesport Weather Forecast

    • 35
    • 47

    Mostly Cloudy

    • 46
    • 56

    Rain

    • 50
    • 63

    Rain

    • 33
    • 62

    Chance Rain/Snow

    • 25
    • 39

    Slight Chance Snow

Today 7 Jan Allegheny

Considerable cloudiness. A slight chance of rain in the morning. Highs in the mid 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 7 Jan Allegheny

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

McKeesport Temperature Statistics

January Temperature

Pittsburgh - Allegheny County Airport (2.5 miles)

  • Lowest 3 January, 2026

    12 °F

  • Average January

    20 °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

    54.5 °F

  • Average High 2021–2026

    63.3 °F
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