Greenville Weather Forecast
- 54
- 74
Rain Showers Likely
- 58
- 77
Mostly Cloudy
- 56
- 74
Rain Showers
- 54
- 75
Mostly Sunny
- 57
- 77
Chance Thunderstorms
- 57
- 78
Rain Showers Likely
Today 20 Jun Mercer
Mostly sunny in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 20 Jun Mercer
Mainly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.
Greenville Temperature Statistics
June Temperature
Port Meadville Airport (17.4 miles)
Lowest 2 June, 2026
46.9 °FAverage June
67.9 °FHighest 11 June, 2026
86 °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