Greenville Weather Forecast
- 63
- 80
Slight Chance Thunderstorms
- 60
- 82
Mostly Cloudy
- 67
- 83
Rain Showers
- 67
- 84
Rain Showers
- 58
- 80
Slight Chance Thunderstorms
- 60
- 81
Partly Sunny
Today 13 Aug Mercer
Partly sunny. Near steady temperature in the upper 70s. West Winds around 5 Mph.
Tonight 13 Aug Mercer
Mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. North Winds around 5 Mph in the Evening, becoming light and variable.
Greenville Temperature Statistics
August Temperature
Port Meadville Airport (17.4 miles)
Lowest 4 August, 2026
53.1 °FAverage August
71.2 °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