Greenville Weather Forecast
- 53
- 72
Rain Showers
- 54
- 70
Partly Sunny
- 53
- 77
Mostly Sunny
- 60
- 81
Partly Sunny
- 61
- 82
Chance Thunderstorms
- 58
- 80
Chance Rain Showers
Today 23 Aug Mercer
Partly sunny with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Tonight 23 Aug Mercer
Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 50s. West Winds 5 to 10 Mph. Chance of rain 50 percent.
Greenville Temperature Statistics
August Temperature
Port Meadville Airport (17.4 miles)
Lowest 4 August, 2026
53.1 °FAverage August
70.5 °FHighest 6 August, 2026
82.9 °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
59.3 °F