Greenville Weather Forecast
- 64
- 85
Chance Thunderstorms
- 66
- 85
Chance Thunderstorms
- 65
- 84
Rain Showers
- 62
- 82
Rain Showers Likely
- 62
- 82
Rain Showers Likely
- 59
- 80
Chance Rain Showers
- 55
- 77
Partly Sunny
Today 8 Aug Mercer
Partly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Tonight 8 Aug Mercer
Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mainly clear after midnight. Lows in the mid 60s. Southwest 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