Lake Poygan Weather Forecast
- 8
- 20
Mostly Cloudy
- 22
- 35
Mostly Cloudy
- 26
- 35
Rain/Snow Likely
- 6
- 37
Chance Rain/Snow
- 15
- 21
Chance Snow
- 10
- 32
Mostly Cloudy
- 12
- 20
Mostly Cloudy
Today 15 Dec Winnebago
Not as cold. Mostly cloudy. Highs around 20. West wind 5 to 10 Mph.
Tonight 15 Dec Winnebago
Partly cloudy in the evening then becoming mostly cloudy. Lows around 10 above zero. Light and variable wind becoming southwest 5 to 10 Mph after midnight.
Lake Poygan Temperature Statistics
December Temperature
Appleton-Outagamie (14.9 miles)
Lowest 13 December, 2025
-4 °FAverage December
17.6 °FHighest 3 December, 2025
28.4 °F
Climate (2020–Present)
Appleton-Outagamie (14.9 miles)
Average Low 2020–2025
39.7 °FAverage 2020–2025
46.7 °FAverage High 2020–2025
56.5 °F