Tarentum Weather Forecast

    • 58
    • 76

    Rain

    • 56
    • 68

    Rain

    • 62
    • 81

    Rain Likely

    • 59
    • 79

    Chance Rain

    • 48
    • 82

    Rain Likely

    • 33
    • 58

    Chance Rain

    • 34
    • 53

    Mostly Sunny

Today 31 Mar Allegheny

Partly sunny with a slight chance of rain and Thunderstorms. Unseasonably warm. Near steady temperature in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 31 Mar Allegheny

A chance of Thunderstorms. Rain, mild. Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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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

    45.7 °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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