Greenville Weather Forecast
- 68
- 77
Chance Thunderstorms
- 56
- 79
Partly Sunny
- 55
- 74
Sunny
- 62
- 78
Partly Sunny
- 57
- 78
Slight Chance Rain Showers
- 55
- 72
Chance Rain Showers
Today 8 Sep Outagamie
Humid. Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. South wind 10 to 15 Mph. Chance of rain 50 percent.
Tonight 8 Sep Outagamie
Muggy. Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. Southwest wind 10 to 15 Mph. Chance of rain 50 percent.
Greenville Temperature Statistics
September Temperature
Appleton-Outagamie (2.5 miles)
Lowest 2 September, 2026
66.2 °FAverage September
75.2 °FHighest 1 September, 2026
93.2 °F
Climate (2021–2026)
Appleton-Outagamie (2.5 miles)
Average Low 2021–2026
40.1 °FAverage 2021–2026
47.1 °FAverage High 2021–2026
56.9 °F