Tarentum Weather Forecast

    • 43
    • 65

    Mostly Cloudy

    • 35
    • 60

    Partly Sunny

    • 49
    • 64

    Rain Showers

    • 47
    • 68

    Rain Showers

    • 45
    • 63

    Chance Rain Showers

    • 51
    • 71

    Slight Chance Thunderstorms

Today 10 May Allegheny

Mostly cloudy in the Morning, then becoming partly cloudy. Isolated Showers. Highs in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 10 May Allegheny

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tarentum Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    50.7 °F

  • Highest 5 May, 2026

    73 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.9 °F
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