Greenville Weather Forecast
- 34
- 60
Sunny
- 35
- 67
Sunny
- 37
- 67
Mostly Sunny
- 38
- 67
Mostly Sunny
- 42
- 67
Mostly Sunny
- 39
- 65
Mostly Sunny
Today 18 Oct Mercer
Widespread frost in the morning. Sunny. Highs around 60. South Winds around 5 Mph.
Tonight 18 Oct Mercer
Clear. Areas of frost after midnight. Lows in the mid 30s. Southeast Winds around 5 Mph.
Greenville Temperature Statistics
October Temperature
Port Meadville Airport (17.4 miles)
Lowest 6 October, 2026
37 °FAverage October
58.2 °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