Tarentum Weather Forecast

    • 36
    • 48

    Increasing Clouds

    • 51
    • 66

    Mostly Cloudy

    • 21
    • 69

    Rain

    • 18
    • 30

    Mostly Cloudy

    • 31
    • 41

    Mostly Cloudy

    • 36
    • 53

    Chance Rain

Today 14 Mar Allegheny

Mostly sunny. Highs in the upper 40s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 14 Mar Allegheny

Mostly cloudy. Lows in the upper 30s. Northeast Winds around 5 Mph, becoming east with Gusts up to 20 Mph after midnight.

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Tarentum Temperature Statistics

March Temperature

Butler, Butler County Airport/K W Scholter Field (15.5 miles)

  • Lowest 2 March, 2026

    17.1 °F

  • Average March

    50.6 °F

  • Highest 7 March, 2026

    77 °F

Climate (2021–Present)

Butler, Butler County Airport/K W Scholter Field (15.5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.8 °F
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