Kittanning Weather Forecast

    • 47
    • 76

    Rain Showers

    • 50
    • 71

    Mostly Cloudy

    • 50
    • 67

    Rain Showers

    • 56
    • 67

    Rain Showers Likely

    • 58
    • 77

    Rain Showers Likely

    • 60
    • 81

    Chance Rain Showers

Today 20 May Armstrong

Showers likely with a chance of Thunderstorms. Highs in the mid 70s. Temperatures falling into the upper 60s in the afternoon. West Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph in the afternoon. Chance of rain 70 percent.

Tonight 20 May Armstrong

Considerable cloudiness. A slight chance of Showers after midnight. Much cooler. Less humid with Lows in the mid 40s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kittanning Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    53.1 °F

  • Highest 17 May, 2026

    84 °F

Climate (2021–Present)

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