Arnold City Weather Forecast

    • 17
    • 38

    Sunny

    • 33
    • 43

    Rain

    • 32
    • 49

    Rain Likely

    • 38
    • 48

    Rain

    • 52
    • 59

    Rain

    • 41
    • 60

    Rain Likely

    • 34
    • 54

    Chance Rain

Today 21 Dec Fayette

Sunny. Highs in the upper 30s. Temperatures falling into the mid 30s late. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Dec Fayette

Clear. Lows around 18. West Winds around 5 Mph, becoming south after midnight.

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Arnold City Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (16.8 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    28 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (16.8 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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