Jacks Lake Weather Forecast
- 42
- 65
Mostly Sunny
- 46
- 66
Increasing Clouds
- 51
- 66
Mostly Cloudy
- 51
- 69
Mostly Cloudy
- 53
- 66
Chance Rain Showers
- 54
- 69
Mostly Cloudy
- 55
- 72
Chance Rain Showers
Today 22 Sep Chippewa
Mostly cloudy with a 50 percent chance of rain Showers. Highs in the upper 60s.
Tonight 22 Sep Chippewa
Mostly clear. Lows in the lower 40s. East Winds up to 5 Mph.
Jacks Lake Temperature Statistics
September Temperature
Chetek Municipal Southworth Airport (11.8 miles)
Lowest 14 September, 2026
42.1 °FAverage September
66.6 °FHighest 1 September, 2026
89.1 °F
Climate (2021–2026)
Chetek Municipal Southworth Airport (11.8 miles)
Average Low 2021–2026
37.1 °FAverage 2021–2026
46.8 °FAverage High 2021–2026
56.4 °F