Greenville Weather Forecast
- 61
- 79
Chance Thunderstorms
- 58
- 77
Slight Chance Rain Showers
- 57
- 79
Mostly Sunny
- 61
- 84
Mostly Cloudy
- 65
- 84
Chance Rain Showers
- 64
- 82
Chance Thunderstorms
Today 28 Jul Mercer
Mostly cloudy with a slight chance of Showers and Thunderstorms Early, then partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.
Tonight 28 Jul Mercer
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows around 60. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.
Greenville Temperature Statistics
July Temperature
Port Meadville Airport (17.4 miles)
Lowest 23 July, 2026
50 °FAverage July
72.4 °FHighest 1 July, 2026
91 °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