Arnold Weather Forecast

    • 29
    • 45

    Increasing Clouds

    • 44
    • 59

    Mostly Cloudy

    • 56
    • 66

    Chance Rain

    • 54
    • 78

    Rain Likely

    • 37
    • 68

    Rain Likely

    • 42
    • 58

    Rain Likely

Today 28 Mar Westmoreland

Partly sunny with a slight chance of snow Showers this Morning, then mostly sunny this afternoon. Highs in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

Tonight 28 Mar Westmoreland

Mainly clear. Lows in the upper 20s. West Winds around 5 Mph, becoming south after midnight.

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Arnold Temperature Statistics

March Temperature

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

  • Lowest 18 March, 2026

    9 °F

  • Average March

    46.6 °F

  • Highest 22 March, 2026

    80.1 °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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