Sewickley Weather Forecast

    • 34
    • 44

    Slight Chance Rain

    • 46
    • 52

    Mostly Cloudy

    • 49
    • 61

    Rain

    • 32
    • 59

    Rain

    • 24
    • 36

    Chance Snow

    • 27
    • 35

    Partly Sunny

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 Forecast NOAA

  • Temperature Real-Time

Sewickley Temperature Statistics

January Temperature

Pittsburgh, Pittsburgh International Airport (4.3 miles)

  • Lowest 3 January, 2026

    10.9 °F

  • Average January

    19.8 °F

  • Highest 4 January, 2026

    27 °F

Climate (2021–Present)

Pittsburgh, Pittsburgh International Airport (4.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    63.1 °F
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