Arnold City Weather Forecast

    • 46
    • 68

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 70

    Partly Sunny

    • 59
    • 74

    Slight Chance Rain Showers

Today 25 Sep Fayette

Patchy fog this morning. Sunny. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 25 Sep Fayette

Mainly clear. Patchy fog after midnight. Lows in the mid 40s. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold City Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (16.8 miles)

  • Lowest 15 September, 2026

    53.1 °F

  • Average September

    70.3 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (16.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads