Arnold Weather Forecast

    • 31
    • 37

    Rain/Snow Likely

    • 23
    • 42

    Rain/Snow

    • 20
    • 31

    Chance Snow

    • 17
    • 32

    Snow Likely

    • 14
    • 27

    Chance Snow

    • 11
    • 25

    Slight Chance Snow

Today 9 Dec Westmoreland

Mostly cloudy. Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Dec Westmoreland

Considerable cloudiness. A chance of rain and snow after midnight. Little or no snow accumulation. Not as cold. Near steady temperature in the lower 30s. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph after midnight. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Arnold Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    7 °F

  • Average December

    26.6 °F

  • Highest 4 December, 2025

    34 °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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