Kittanning Weather Forecast

    • 68
    • 88

    Rain Showers

    • 55
    • 80

    Chance Rain Showers

    • 58
    • 80

    Partly Sunny

    • 65
    • 83

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

    • 66
    • 84

    Partly Sunny

Today 9 Sep Armstrong

Partly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Unseasonably warm with Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 9 Sep Armstrong

A chance of Thunderstorms. Showers, warm with Lows in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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Kittanning Temperature Statistics

September Temperature

Butler, Butler County Airport/K W Scholter Field (22.4 miles)

  • Lowest 6 September, 2026

    55.4 °F

  • Average September

    72.7 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

Butler, Butler County Airport/K W Scholter Field (22.4 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.6 °F
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