Greenville Weather Forecast
- 31
- 47
Increasing Clouds
- 49
- 57
Mostly Cloudy
- 33
- 68
Rain
- 21
- 41
Mostly Sunny
- 27
- 44
Mostly Sunny
- 37
- 55
Mostly Cloudy
Today 24 Mar Mercer
Mostly sunny. Highs in the upper 40s. Southwest Winds around 5 Mph.
Tonight 24 Mar Mercer
Mostly cloudy. Lows in the lower 30s. Northwest Winds around 5 Mph, becoming east after midnight.
Greenville Temperature Statistics
March Temperature
Port Meadville Airport (17.4 miles)
Lowest 2 March, 2026
12 °FAverage March
43.2 °FHighest 7 March, 2026
73.9 °F
Climate (2021–Present)
Port Meadville Airport (17.4 miles)
Average Low 2021–2026
42.7 °FAverage 2021–2026
50.9 °FAverage High 2021–2026
59.2 °F