Greenville Weather Forecast
- 48
- 66
Mostly Cloudy
- 46
- 70
Mostly Sunny
- 51
- 73
Partly Sunny
- 42
- 66
Partly Sunny
- 47
- 64
Mostly Cloudy
- 50
- 66
Chance Rain Showers
- 50
- 66
Chance Rain Showers
Today 27 Oct Mercer
Partly sunny. Near steady temperature in the mid 60s. Light and variable Winds.
Tonight 27 Oct Mercer
Mostly cloudy. Lows in the upper 40s. East Winds around 5 Mph.
Greenville Temperature Statistics
October Temperature
Port Meadville Airport (17.4 miles)
Lowest 18 October, 2026
34 °FAverage October
54.9 °FHighest 13 October, 2026
81 °F
Climate (2021–2026)
Port Meadville Airport (17.4 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.2 °F