Greenville Weather Forecast
- 49
- 71
Increasing Clouds
- 38
- 62
Mostly Sunny
- 44
- 65
Mostly Sunny
- 49
- 71
Partly Sunny
- 47
- 70
Partly Sunny
- 47
- 69
Mostly Sunny
Today 4 Oct Mercer
Mostly sunny. Highs around 70. Southeast Winds around 5 Mph, becoming southwest this afternoon.
Tonight 4 Oct Mercer
Mainly clear. Lows in the upper 40s. West Winds 5 to 10 Mph.
Greenville Temperature Statistics
October Temperature
Port Meadville Airport (17.4 miles)
Lowest 1 October, 2026
62.1 °FAverage October
69.2 °FHighest 1 October, 2026
80.1 °F
Climate (2021–2026)
Port Meadville Airport (17.4 miles)
Average Low 2021–2026
42.7 °FAverage 2021–2026
50.9 °FAverage High 2021–2026
59.2 °F