Tarentum Weather Forecast

    • 49
    • 62

    Decreasing Clouds

    • 38
    • 76

    Rain Showers

    • 26
    • 47

    Partly Sunny

    • 35
    • 53

    Mostly Cloudy

    • 38
    • 56

    Mostly Cloudy

    • 37
    • 65

    Rain Likely

Today 21 Mar Allegheny

Mostly cloudy this Morning, then clearing. Mild. Highs in the lower 60s. North Winds around 5 Mph, becoming southwest this afternoon.

Tonight 21 Mar Allegheny

Partly cloudy in the Evening, then becoming mostly cloudy. Mild. Lows around 50. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tarentum Temperature Statistics

March Temperature

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

  • Lowest 18 March, 2026

    9 °F

  • Average March

    45.8 °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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