Arnold Weather Forecast

    • 32
    • 41

    Rain

    • 31
    • 50

    Rain

    • 36
    • 44

    Mostly Cloudy

    • 50
    • 58

    Rain

    • 39
    • 60

    Rain Likely

    • 32
    • 51

    Chance Rain

Today 22 Dec Westmoreland

Sunny in the Morning, then partly sunny with a chance of Sprinkles with a slight chance of snow in the afternoon. Highs in the lower 40s. South Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 22 Dec Westmoreland

Cloudy. A chance of rain in the Evening, then rain after midnight. Not as cold. Near steady temperature in the mid 30s. Southeast Winds around 5 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 90 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

    26.4 °F

  • Highest 18 December, 2025

    55.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    60.6 °F
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