Arnold City Weather Forecast

    • 64
    • 80

    Decreasing Clouds

    • 65
    • 81

    Rain Showers

    • 62
    • 81

    Slight Chance Rain Showers

    • 60
    • 77

    Partly Sunny

    • 65
    • 84

    Partly Sunny

    • 66
    • 84

    Chance Rain Showers

Today 11 Sep Fayette

Patchy fog in the morning. Mostly cloudy with a chance of Showers in the Morning, then partly cloudy in the afternoon. Humid with Highs in the upper 70s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 11 Sep Fayette

Mostly cloudy. Warm with Lows in the mid 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold City Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (16.8 miles)

  • Lowest 6 September, 2026

    57.9 °F

  • Average September

    73.2 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (16.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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