Greenville Weather Forecast
- 56
- 77
Becoming Sunny
- 55
- 79
Mostly Sunny
- 62
- 84
Partly Sunny
- 63
- 83
Rain Showers Likely
- 61
- 80
Rain Showers Likely
- 61
- 82
Chance Thunderstorms
Today 29 Jul Mercer
Partly cloudy with a 20 percent chance of Showers. Highs in the mid 70s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 29 Jul Mercer
Clear. Lows in the mid 50s. Northwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.
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