Sac City Weather Forecast
- 58
- 71
Mostly Cloudy
- 62
- 71
Rain Showers
- 58
- 70
Rain Showers
- 48
- 63
Partly Sunny
- 50
- 63
Partly Sunny
- 52
- 63
Partly Sunny
Today 28 Sep Sac
Patchy fog this morning. Mostly cloudy. Highs in the lower 70s. South Winds 5 to 10 Mph.
Tonight 28 Sep Sac
Mostly cloudy. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.
Sac City Temperature Statistics
September Temperature
Storm Lake (17.4 miles)
Lowest 23 September, 2026
50 °FAverage September
66.4 °FHighest 4 September, 2026
89.6 °F
Climate (2021–2026)
Storm Lake (17.4 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
58.7 °F