Tarentum Weather Forecast

    • 68
    • 87

    Rain Showers

    • 67
    • 85

    Rain Showers

    • 64
    • 83

    Rain Showers Likely

    • 66
    • 87

    Partly Sunny

    • 69
    • 89

    Rain Showers Likely

    • 65
    • 85

    Rain Showers Likely

Today 5 Jul Allegheny

Patchy fog in the morning. Partly sunny with a chance of Showers and Thunderstorms in the Morning, then cloudy with Showers with Thunderstorms likely in the afternoon. Humid with Highs in the mid 80s. South Winds around 5 Mph. Chance of rain 80 percent.

Tonight 5 Jul Allegheny

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Tarentum Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    82.9 °F

  • Average July

    84.7 °F

  • Highest 1 July, 2026

    87.1 °F

Climate (2021–2026)

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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