Finleyville Weather Forecast
- 58
- 81
Mostly Cloudy
- 55
- 79
Partly Sunny
- 57
- 83
Mostly Sunny
- 56
- 84
Mostly Sunny
- 61
- 84
Partly Sunny
- 61
- 84
Partly Sunny
- 61
- 84
Partly Sunny
Today 16 Sep Washington
Partly sunny. Near steady temperature around 80. East Winds 5 to 10 Mph.
Tonight 16 Sep Washington
Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.
Finleyville Temperature Statistics
September Temperature
Pittsburgh - Allegheny County Airport (8.1 miles)
Lowest 8 September, 2025
45 °FAverage September
64.8 °FHighest 3 September, 2025
82 °F
Climate (2020–Present)
Pittsburgh - Allegheny County Airport (8.1 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
54.6 °FAverage High 2020–2025
63.3 °F