Arnold Weather Forecast

    • 54
    • 71

    Chance Rain Showers

    • 45
    • 69

    Rain Showers

    • 43
    • 57

    Slight Chance Rain Showers

    • 53
    • 70

    Partly Sunny

    • 60
    • 85

    Chance Thunderstorms

    • 64
    • 86

    Chance Rain Showers

    • 69
    • 94

    Slight Chance Thunderstorms

Today 12 May Westmoreland

Mostly sunny. Highs in the lower 70s. Southwest Winds around 5 Mph.

Tonight 12 May Westmoreland

Mostly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph. Gusts up to 25 Mph.

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Arnold Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    51.3 °F

  • Highest 5 May, 2026

    73 °F

Climate (2021–Present)

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