Greenville Weather Forecast
- 69
- 85
Increasing Clouds
- 68
- 83
Rain Showers
- 57
- 79
Slight Chance Rain Showers
- 59
- 80
Partly Sunny
- 62
- 81
Chance Thunderstorms
- 55
- 77
Slight Chance Rain Showers
Today 15 Aug Mercer
Mostly sunny this Morning, then becoming partly sunny. Highs in the mid 80s. Southeast Winds around 5 Mph.
Tonight 15 Aug Mercer
Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast 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
71 °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