Greenville Weather Forecast
- 52
- 76
Becoming Sunny
- 60
- 81
Mostly Sunny
- 67
- 85
Mostly Cloudy
- 71
- 87
Mostly Cloudy
- 71
- 89
Chance Rain Showers
- 68
- 87
Chance Rain Showers
Today 28 Aug Mercer
Patchy fog in the morning. Partly cloudy. Highs in the mid 70s. North Winds 5 to 10 Mph.
Tonight 28 Aug Mercer
Mainly clear. Patchy fog after midnight. Lows in the lower 50s. North Winds 5 to 10 Mph, becoming east after midnight.
Greenville Temperature Statistics
August Temperature
Port Meadville Airport (17.4 miles)
Lowest 4 August, 2026
53.1 °FAverage August
69.2 °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