Greenville Weather Forecast
- 37
- 69
Rain Showers
- 31
- 50
Mostly Sunny
- 35
- 61
Sunny
- 38
- 66
Partly Sunny
- 39
- 68
Mostly Sunny
- 39
- 68
Mostly Sunny
Today 16 Oct Mercer
Scattered Thunderstorms. Showers, mainly in the morning. Some Thunderstorms may produce gusty Winds. Highs in the upper 60s. Temperatures falling into the upper 50s in the afternoon. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.
Tonight 16 Oct Mercer
Mostly cloudy. Numerous Showers, mainly in the evening. Much Colder. Less humid with Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.
Greenville Temperature Statistics
October Temperature
Port Meadville Airport (17.4 miles)
Lowest 6 October, 2026
37 °FAverage October
58.1 °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