Arnold Weather Forecast

    • 18
    • 33

    Snow Showers

    • 14
    • 35

    Snow

    • 14
    • 22

    Chance Snow

    • 13
    • 23

    Mostly Cloudy

    • 24
    • 32

    Mostly Cloudy

    • 35
    • 43

    Mostly Cloudy

Today 12 Dec Westmoreland

Partly sunny this Morning, then becoming partly cloudy. Highs in the lower 30s. Southwest Winds around 5 Mph.

Tonight 12 Dec Westmoreland

Mainly clear in the Evening, then mostly cloudy with a slight chance of freezing drizzle with isolated snow Showers after midnight. Lows around 18. Temperatures rising into the mid 20s after midnight. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of precipitation 20 percent.

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Arnold Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    7 °F
  • Average December

    25.7 °F
  • Highest 7 December, 2025

    35.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.1 °F
  • Average 2020–2025

    51.4 °F
  • Average High 2020–2025

    60.6 °F
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