Arnold Weather Forecast
- 35
- 58
Mostly Sunny
- 43
- 56
Rain Showers
- 40
- 57
Rain Showers
- 37
- 53
Rain Showers Likely
- 35
- 53
Chance Rain Showers
- 36
- 51
Rain Showers Likely
Today 28 Oct Westmoreland
Sunny. Highs in the mid 50s. East Winds 10 to 15 Mph.
Tonight 28 Oct Westmoreland
Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast Winds 5 to 10 Mph.
Arnold Temperature Statistics
October Temperature
Butler, Butler County Airport/K W Scholter Field (16.8 miles)
Lowest 17 October, 2025
30.9 °FAverage October
54.4 °FHighest 4 October, 2025
80.1 °F
Climate (2020–Present)
Butler, Butler County Airport/K W Scholter Field (16.8 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
51.5 °FAverage High 2020–2025
60.7 °F