Arnold Weather Forecast

    • 40
    • 61

    Becoming Sunny

    • 61
    • 79

    Partly Sunny

    • 62
    • 77

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

Today 11 Apr Westmoreland

Mostly sunny. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 11 Apr Westmoreland

Mainly clear. Lows around 40. North Winds around 5 Mph, becoming east after midnight.

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Arnold Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2026

    23 °F

  • Average April

    52.5 °F

  • Highest 4 April, 2026

    82 °F

Climate (2021–Present)

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