Tarentum Weather Forecast

    • 33
    • 49

    Increasing Clouds

    • 49
    • 61

    Mostly Cloudy

    • 39
    • 70

    Rain

    • 23
    • 48

    Partly Sunny

    • 28
    • 47

    Mostly Sunny

    • 38
    • 57

    Mostly Cloudy

Today 24 Mar Allegheny

Mostly sunny. Highs in the upper 40s. Southwest Winds around 5 Mph.

Tonight 24 Mar Allegheny

Mostly cloudy. Lows in the mid 30s. North Winds around 5 Mph, becoming east after midnight.

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Tarentum Temperature Statistics

March Temperature

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

  • Lowest 18 March, 2026

    9 °F

  • Average March

    46.9 °F

  • Highest 22 March, 2026

    80.1 °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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