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.
Arnold City Temperature Statistics
December Temperature
Pittsburgh - Allegheny County Airport (16.8 miles)
Lowest 15 December, 2025
7 °FAverage December
28 °FHighest 18 December, 2025
57.9 °F
Climate (2020–Present)
Pittsburgh - Allegheny County Airport (16.8 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
63.3 °F