Greenville Weather Forecast
- 70
- 89
Partly Sunny
- 74
- 95
Slight Chance Thunderstorms
- 74
- 98
Hot
- 74
- 98
Hot
- 72
- 96
Chance Thunderstorms
- 68
- 92
Chance Thunderstorms
Today 29 Jun Mercer
Partly cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. Very warm. Humid with Highs in the upper 80s. Southeast Winds around 5 Mph.
Tonight 29 Jun Mercer
Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.
Greenville Temperature Statistics
June Temperature
Port Meadville Airport (17.4 miles)
Lowest 2 June, 2026
46.9 °FAverage June
66.5 °FHighest 11 June, 2026
86 °F
Climate (2021–2026)
Port Meadville Airport (17.4 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.2 °F