Arnold City Weather Forecast
- 56
- 83
Mostly Cloudy
- 55
- 79
Partly Sunny
- 55
- 85
Mostly Sunny
- 56
- 86
Mostly Sunny
- 62
- 86
Partly Sunny
- 60
- 84
Slight Chance Rain Showers
Today 16 Sep Fayette
Partly sunny. Near steady temperature in the upper 70s. Northeast Winds around 5 Mph.
Tonight 16 Sep Fayette
Mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.
Arnold City Temperature Statistics
September Temperature
Pittsburgh - Allegheny County Airport (16.8 miles)
Lowest 8 September, 2025
45 °FAverage September
64.8 °FHighest 3 September, 2025
82 °F
Climate (2020–Present)
Pittsburgh - Allegheny County Airport (16.8 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
63.3 °F