Arnold Weather Forecast

    • 61
    • 82

    Gradual Clearing

    • 61
    • 85

    Mostly Sunny

    • 64
    • 89

    Chance Rain Showers

    • 58
    • 83

    Chance Thunderstorms

    • 53
    • 77

    Slight Chance Rain Showers

    • 49
    • 72

    Partly Sunny

Today 21 Aug Westmoreland

Mostly cloudy. Humid with Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 21 Aug Westmoreland

Mainly clear. Lows around 60. Northeast Winds around 5 Mph.

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Arnold Temperature Statistics

August Temperature

Butler, Butler County Airport/K W Scholter Field (16.8 miles)

  • Lowest 3 August, 2025

    51.1 °F

  • Average August

    71.7 °F

  • Highest 12 August, 2025

    91 °F

Climate (2020–Present)

Butler, Butler County Airport/K W Scholter Field (16.8 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    60.6 °F
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