Winchester Weather Forecast
- 42
- 68
Becoming Sunny
- 60
- 71
Rain Showers
- 52
- 76
Chance Rain Showers
- 56
- 68
Rain Showers Likely
- 53
- 70
Slight Chance Rain Showers
- 53
- 68
Chance Rain Showers
Today 13 Sep Winnebago
Cooler. Partly sunny. Highs in the upper 60s. Northwest wind 10 to 15 Mph.
Tonight 13 Sep Winnebago
Colder. Clear. Lows in the lower 40s. Northwest wind 5 to 10 Mph in the evening becoming light and variable.
Winchester Temperature Statistics
September Temperature
Appleton-Outagamie (8.1 miles)
Lowest 10 September, 2026
59 °FAverage September
72.2 °FHighest 1 September, 2026
93.2 °F
Climate (2021–2026)
Appleton-Outagamie (8.1 miles)
Average Low 2021–2026
40.1 °FAverage 2021–2026
47.1 °FAverage High 2021–2026
56.9 °F