Sac City, IA Weather & Growing Conditions
Overnight
42°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 42. Northwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Chance Rain Showers | 16 mph NW | 36% |
| Wednesday | 48°F | Chance Rain Showers | 12 to 16 mph WNW | 36% |
| Wednesday Night | 41°F | Chance Rain Showers | 10 mph WNW | 30% |
| Thursday | 50°F | Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NNW | 27% |
| Thursday Night | 35°F | Mostly Cloudy | 3 to 7 mph N | 1% |
| Friday | 49°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Friday Night | 29°F | Partly Cloudy | 1 mph W | 0% |
| Saturday | 53°F | Mostly Sunny | 3 mph SW | 1% |
| Saturday Night | 35°F | Mostly Clear | 3 mph W | 0% |
| Sunday | 59°F | Sunny | 3 mph W | 0% |
| Sunday Night | 38°F | Clear | 5 mph SW | 0% |
| Monday | 63°F | Sunny | 3 to 7 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 3 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 2 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sac City, IA
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
Explore more for Sac City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sac City, Ia (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.