Tarentum Weather Forecast

    • 32
    • 75

    Rain Showers

    • 31
    • 44

    Mostly Cloudy

    • 30
    • 55

    Slight Chance Rain/Snow

    • 37
    • 49

    Chance Rain

    • 34
    • 67

    Rain

    • 19
    • 44

    Chance Snow

Today 11 Mar Allegheny

Showers with a chance of Thunderstorms. Unseasonably warm with Highs in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 11 Mar Allegheny

Rain Showers with a chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Much Colder. Less humid with Lows in the lower 30s. West Winds 15 to 20 Mph, becoming northwest after midnight. Gusts up to 35 Mph. Chance of rain near 100 percent.

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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

    47.2 °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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