Greenville Weather Forecast
- 64
- 86
Becoming Sunny
- 65
- 88
Sunny
- 71
- 91
Mostly Sunny
- 66
- 91
Slight Chance Thunderstorms
- 64
- 87
Partly Sunny
- 64
- 84
Chance Rain Showers
Today 12 Jul Mercer
Mostly sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.
Tonight 12 Jul Mercer
Mainly clear. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southeast after midnight.
Greenville Temperature Statistics
July Temperature
Port Meadville Airport (17.4 miles)
Lowest 8 July, 2026
64.9 °FAverage July
76.2 °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
59.2 °F