Greenville Weather Forecast
- 67
- 87
Rain Showers
- 67
- 87
Thunderstorms
- 66
- 83
Rain Showers
- 64
- 84
Chance Thunderstorms
- 66
- 84
Chance Thunderstorms
- 67
- 86
Rain Showers Likely
Today 5 Aug Mercer
Mostly sunny in the Morning, then partly sunny with numerous Showers and scattered Thunderstorms in the afternoon. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 5 Aug Mercer
Mostly cloudy with scattered Showers. Scattered Thunderstorms, mainly in the evening. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 50 percent.
Greenville Temperature Statistics
August Temperature
Port Meadville Airport (17.4 miles)
Lowest 2 August, 2026
64.9 °FAverage August
71.7 °FHighest 1 August, 2026
80.1 °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