Greenville Weather Forecast
- 61
- 81
Increasing Clouds
- 67
- 84
Mostly Cloudy
- 70
- 86
Mostly Cloudy
- 72
- 90
Mostly Cloudy
- 69
- 90
Chance Rain Showers
- 66
- 86
Chance Rain Showers
Today 29 Aug Mercer
Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.
Tonight 29 Aug Mercer
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.
Greenville Temperature Statistics
August Temperature
Port Meadville Airport (17.4 miles)
Lowest 4 August, 2026
53.1 °FAverage August
69.1 °FHighest 6 August, 2026
82.9 °F
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