Greenville Weather Forecast
- 71
- 90
Chance Thunderstorms
- 69
- 87
Rain Showers Likely
- 61
- 82
Chance Rain Showers
- 55
- 79
Mostly Sunny
- 56
- 78
Partly Sunny
- 59
- 79
Mostly Cloudy
Today 2 Sep Mercer
Partly cloudy. Isolated Showers and Thunderstorms Early, then scattered Showers and Thunderstorms. Some Thunderstorms may be severe. Some Thunderstorms may be severe. Unseasonably warm with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values in the upper 90s.
Tonight 2 Sep Mercer
Mostly cloudy with a chance of Showers. A chance of Thunderstorms. Some Thunderstorms may be severe in the evening. Warm with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Greenville Temperature Statistics
September Temperature
Port Meadville Airport (17.4 miles)
Lowest
–Average September
–Highest
–
Climate (2021–2026)
Port Meadville Airport (17.4 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.9 °FAverage High 2021–2026
59.2 °F